| calendula | (noun) any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes | - |
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| calf | (noun) young of domestic cattle | - |
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| (noun) young of various large placental mammals e.g. whale or giraffe or elephant or buffalo | - |
| (noun) the muscular back part of the shank | Synonyms: sura |
| (noun) fine leather from the skin of a calf | Synonyms: calfskin |
| calfskin | (noun) fine leather from the skin of a calf | Synonyms: calf |
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| caliber | (noun) a degree or grade of excellence or worth | Synonyms: calibre, quality |
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| (noun) diameter of a tube or gun barrel | Synonyms: bore, calibre, gauge |
| calibrate | (verb) make fine adjustments or divide into marked intervals for optimal measuring | Synonyms: fine-tune, graduate |
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| (verb) measure the caliber of | - |
| (verb) mark (the scale of a measuring instrument) so that it can be read in the desired units | - |
| calibrated | (adjective) marked with or divided into degrees | Synonyms: graduated |
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| calibration | (noun) the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument | Synonyms: standardisation, standardization |
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| calibre | (noun) a degree or grade of excellence or worth | Synonyms: caliber, quality |
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| (noun) diameter of a tube or gun barrel | Synonyms: bore, caliber, gauge |
| caliche | (noun) nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru | - |
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| (noun) crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions | Synonyms: hardpan |
| calico | (adjective) made of calico or resembling calico in being patterned | - |
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| (adjective) having sections or patches colored differently and usually brightly | Synonyms: motley, multi-color, multi-colored, multi-colour, multi-coloured, multicolor, multicolored, multicolour, multicoloured, painted, particolored, particoloured, piebald, pied, varicolored, varicoloured |
| (noun) coarse cloth with a bright print | - |
| calicular | (adjective) relating to or resembling a calyculus | Synonyms: calycular |
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| caliculus | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: calycle, calyculus |
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| calif | (noun) the civil and religious leader of a Muslim state considered to be a representative of Allah on earth | Synonyms: caliph, kalif, kaliph, khalif, khalifah |
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| californium | (noun) a radioactive transuranic element; discovered by bombarding curium with alpha particles | Synonyms: atomic number 98, Cf |
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| caliginous | (adjective) dark and misty and gloomy | - |
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| caliper | (noun) an instrument for measuring the distance between two points | Synonyms: calliper |
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| (verb) measure the diameter of something with calipers | Synonyms: calliper |
| caliph | (noun) the civil and religious leader of a Muslim state considered to be a representative of Allah on earth | Synonyms: calif, kalif, kaliph, khalif, khalifah |
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| caliphate | (noun) the office of a caliph | - |
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| (noun) the territorial jurisdiction of a caliph | - |
| calisaya | (noun) Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark | Synonyms: Cinchona calisaya, Cinchona ledgeriana, Cinchona officinalis |
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| calisthenic | (adjective) of or relating to calisthenics | - |
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| calisthenics | (noun) the practice of calisthenic exercises | Synonyms: callisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: callisthenics |
| calk | (noun) a metal cleat on the bottom front of a horseshoe to prevent slipping | Synonyms: calkin |
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| (verb) injure with a calk | - |
| (verb) seal with caulking | Synonyms: caulk |
| (verb) provide with calks | - |
| calkin | (noun) a metal cleat on the bottom front of a horseshoe to prevent slipping | Synonyms: calk |
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| call | (noun) (sports) the decision made by an umpire or referee | - |
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| (noun) a visit in an official or professional capacity | - |
| (noun) a brief social visit | - |
| (noun) the option to buy a given stock (or stock index or commodity future) at a given price before a given date | Synonyms: call option |
| (noun) a method of contacting a person by phone | Synonyms: phone call, telephone call |
| (noun) a loud utterance; often in protest or opposition | Synonyms: cry, outcry, shout, vociferation, yell |
| (noun) the characteristic sound produced by a bird | Synonyms: birdcall, birdsong, song |
| (noun) a request | - |
| (noun) a demand | Synonyms: claim |
| (noun) a demand for a show of hands in a card game | - |
| (noun) an instruction that interrupts the program being executed | - |
| (noun) a demand by a broker that a customer deposit enough to bring his margin up to the minimum requirement | Synonyms: margin call |
| (verb) rouse somebody from sleep with a call | - |
| (verb) challenge the sincerity or truthfulness of | - |
| (verb) consider or regard as being | - |
| (verb) utter in a loud voice or announce | - |
| (verb) ascribe a quality to or give a name of a common noun that reflects a quality | - |
| (verb) get or try to get into communication (with someone) by telephone | Synonyms: call up, phone, ring, telephone |
| (verb) assign a specified (usually proper) name to | Synonyms: be known as, know as, name |
| (verb) utter a characteristic note or cry | - |
| (verb) send a message or attempt to reach someone by radio, phone, etc.; make a signal to in order to transmit a message | - |
| (verb) order, request, or command to come | Synonyms: send for |
| (verb) indicate a decision in regard to | - |
| (verb) challenge (somebody) to make good on a statement; charge with or censure for an offense | - |
| (verb) declare in the capacity of an umpire or referee | - |
| (verb) utter a sudden loud cry | Synonyms: cry, holler, hollo, scream, shout, shout out, squall, yell |
| (verb) make a prediction about; tell in advance | Synonyms: anticipate, forebode, foretell, predict, prognosticate, promise |
| (verb) lure by imitating the characteristic call of an animal | - |
| (verb) present for redemption before maturation | - |
| (verb) read aloud to check for omissions or absentees | - |
| (verb) order, summon, or request for a specific duty or activity, work, role | - |
| (verb) order or request or give a command for | - |
| (verb) give the calls (to the dancers) for a square dance | Synonyms: call off |
| (verb) make a demand, as for a card or a suit or a show of hands | Synonyms: bid |
| (verb) demand payment of (a loan) | Synonyms: call in |
| (verb) pay a brief visit | Synonyms: call in, visit |
| (verb) call a meeting; invite or command to meet | - |
| (verb) make a stop in a harbour | - |
| (verb) greet, as with a prescribed form, title, or name | Synonyms: address |
| (verb) stop or postpone because of adverse conditions, such as bad weather | - |
| calla | (noun) South African plant widely cultivated for its showy pure white spathe and yellow spadix | Synonyms: arum lily, calla lily, Zantedeschia aethiopica |
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| callable | (adjective) subject to a demand for payment before due date | - |
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| callathump | (noun) a noisy mock serenade (made by banging pans and kettles) to a newly married couple | Synonyms: belling, callithump, charivari, chivaree, shivaree |
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| (noun) a noisy boisterous parade | Synonyms: callithump, callithump parade |
| callback | (noun) a request by the manufacturer of a defective product to return the product (as for replacement or repair) | Synonyms: recall |
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| caller | (adjective) providing coolness | - |
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| (adjective) fresh | - |
| (noun) a social or business visitor | Synonyms: company |
| (noun) the person initiating a telephone call | Synonyms: caller-up, phoner, telephoner |
| (noun) the person who convenes a meeting | - |
| (noun) someone who proclaims or summons in a loud voice | - |
| (noun) a person who announces the changes of steps during a dance | Synonyms: caller-out |
| (noun) the bettor in a card game who matches the bet and calls for a show of hands | - |
| (noun) an investor who buys a call option | - |
| calliandra | (noun) any of various shrubs and small trees valued for their fine foliage and attractive spreading habit and clustered white to deep pink or red flowers | - |
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| calligraph | (verb) write beautifully and ornamentally | - |
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| calligrapher | (noun) someone skilled in penmanship | Synonyms: calligraphist |
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| calligraphic | (adjective) of or relating to or expressed in calligraphy | Synonyms: calligraphical |
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| calligraphical | (adjective) of or relating to or expressed in calligraphy | Synonyms: calligraphic |
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| calligraphist | (noun) someone skilled in penmanship | Synonyms: calligrapher |
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| calligraphy | (noun) beautiful handwriting | Synonyms: chirography, penmanship |
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| calling | (noun) the particular occupation for which you are trained | Synonyms: career, vocation |
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| calliope | (noun) a musical instrument consisting of a series of steam whistles played from a keyboard | Synonyms: steam organ |
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| calliopsis | (noun) North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis | Synonyms: Coreopsis tinctoria |
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| calliper | (noun) an instrument for measuring the distance between two points | Synonyms: caliper |
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| (verb) measure the diameter of something with calipers | Synonyms: caliper |
| callipygian | (adjective) pertaining to or having finely developed buttocks | Synonyms: callipygous |
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| callipygous | (adjective) pertaining to or having finely developed buttocks | Synonyms: callipygian |
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| callisthenics | (noun) the practice of calisthenic exercises | Synonyms: calisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: calisthenics |
| callithump | (noun) a noisy mock serenade (made by banging pans and kettles) to a newly married couple | Synonyms: belling, callathump, charivari, chivaree, shivaree |
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| (noun) a noisy boisterous parade | Synonyms: callathump, callithump parade |
| callithumpian | (adjective) of or relating to a callithump | - |
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| callosectomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosotomy |
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| callosity | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callousness, hardness, insensibility, unfeelingness |
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| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callus |
| callosotomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosectomy |
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| callous | (adjective) emotionally hardened | Synonyms: indurate, pachydermatous |
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| (adjective) having calluses; having skin made tough and thick through wear | Synonyms: calloused, thickened |
| (verb) make insensitive or callous; deaden feelings or morals | Synonyms: cauterise, cauterize |
| calloused | (adjective) having calluses; having skin made tough and thick through wear | Synonyms: callous, thickened |
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| callously | (adverb) in a callous way | Synonyms: unfeelingly |
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| callousness | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callosity, hardness, insensibility, unfeelingness |
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| callow | (adjective) young and inexperienced | Synonyms: fledgling, unfledged |
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| callowness | (noun) lacking and evidencing lack of experience of life | Synonyms: jejuneness, juvenility |
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| callus | (noun) (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid | - |
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| (noun) bony tissue formed during the healing of a fractured bone | - |
| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callosity |
| (verb) form a callus or calluses | - |
| (verb) cause a callus to form on | - |
| calm | (adjective) (of weather) free from storm or wind | - |
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| (adjective) not agitated; without losing self-possession | Synonyms: serene, tranquil, unagitated |
| (noun) steadiness of mind under stress | Synonyms: calmness, composure, equanimity |
| (noun) wind moving at less than 1 knot; 0 on the Beaufort scale | Synonyms: calm air |
| (verb) cause to be calm or quiet as by administering a sedative to | Synonyms: sedate, tranquilize, tranquillise, tranquillize |
| (verb) make steady | Synonyms: becalm, steady |
| (verb) make calm or still | Synonyms: calm down, lull, quiet, quieten, still, tranquilize, tranquillise, tranquillize |
| (verb) become quiet or calm, especially after a state of agitation | Synonyms: calm down, chill out, cool it, cool off, settle down, simmer down |
| calming | (noun) the act of appeasing (as by acceding to the demands of) | Synonyms: appeasement |
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| calmly | (adverb) with self-possession (especially in times of stress) | - |
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| (adverb) in a sedate manner | Synonyms: sedately |
| calmness | (noun) steadiness of mind under stress | Synonyms: calm, composure, equanimity |
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| (noun) a feeling of calm; an absence of agitation or excitement | - |
| (noun) an absence of strong winds or rain | - |
| calomel | (noun) a tasteless colorless powder used medicinally as a cathartic | Synonyms: mercurous chloride |
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| caloric | (adjective) relating to or associated with heat | Synonyms: thermal, thermic |
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| (adjective) of or relating to calories in food | - |
| calorie | (noun) unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure | Synonyms: gram calorie, small calorie |
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| calorifacient | (adjective) producing heat; usually used of foods | - |
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| calorific | (adjective) heat-generating | - |
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| calorimeter | (noun) a measuring instrument that determines quantities of heat | - |
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| calorimetric | (adjective) of or relating to the measurement of heat | - |
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| calorimetry | (noun) measurement of quantities of heat | - |
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| calorisator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorizator |
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| calorizator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorisator |
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| calosoma | (noun) any beetle of the genus Calosoma | - |
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| calpac | (noun) a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus | Synonyms: calpack, kalpac |
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| calpack | (noun) a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus | Synonyms: calpac, kalpac |
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| calque | (noun) an expression introduced into one language by translating it from another language | Synonyms: calque formation, loan translation |
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| caltrop | (noun) tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed | Synonyms: devil's weed, Tribulus terestris |
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| (noun) Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America | Synonyms: Centauria calcitrapa, star-thistle |
| (noun) a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits | Synonyms: water chestnut, water chestnut plant |
| calumet | (noun) a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace) | Synonyms: peace pipe, pipe of peace |
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| calumniate | (verb) charge falsely or with malicious intent; attack the good name and reputation of someone | Synonyms: asperse, besmirch, defame, denigrate, slander, smear, smirch, sully |
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| calumniation | (noun) a false accusation of an offense or a malicious misrepresentation of someone's words or actions | Synonyms: calumny, defamation, hatchet job, obloquy, traducement |
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| calumniatory | (adjective) (used of statements) harmful and often untrue; tending to discredit or malign | Synonyms: calumnious, defamatory, denigrating, denigrative, denigratory, libellous, libelous, slanderous |
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| calumnious | (adjective) (used of statements) harmful and often untrue; tending to discredit or malign | Synonyms: calumniatory, defamatory, denigrating, denigrative, denigratory, libellous, libelous, slanderous |
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| calumniously | (adverb) in a false and slanderous and defamatory manner; with slander or calumny | Synonyms: slanderously |
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| calumny | (noun) an abusive attack on a person's character or good name | Synonyms: aspersion, defamation, denigration, slander |
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| (noun) a false accusation of an offense or a malicious misrepresentation of someone's words or actions | Synonyms: calumniation, defamation, hatchet job, obloquy, traducement |
| calvaria | (noun) the dome of the skull | Synonyms: skullcap |
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| calvary | (noun) any experience that causes intense suffering | Synonyms: martyrdom |
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| calve | (verb) give birth to (a calf) | Synonyms: have young |
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| (verb) release ice | Synonyms: break up |
| calving | (noun) giving birth to a calf | - |
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| calx | (noun) a white crystalline oxide used in the production of calcium hydroxide | Synonyms: burnt lime, calcined lime, calcium oxide, fluxing lime, lime, quicklime, unslaked lime |
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| calyceal | (adjective) of or relating to or resembling a calyx | Synonyms: calycinal, calycine |
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| calycinal | (adjective) of or relating to or resembling a calyx | Synonyms: calyceal, calycine |
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| calycine | (adjective) of or relating to or resembling a calyx | Synonyms: calyceal, calycinal |
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| calycle | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: caliculus, calyculus |
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| (noun) a group of bracts simulating a calyx as in a carnation or hibiscus | Synonyms: calyculus, epicalyx, false calyx |
| calycled | (adjective) having a calyculus | Synonyms: calyculate |
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| calycular | (adjective) relating to or resembling a calyculus | Synonyms: calicular |
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| calyculate | (adjective) having a calyculus | Synonyms: calycled |
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| calyculus | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: caliculus, calycle |
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| (noun) a group of bracts simulating a calyx as in a carnation or hibiscus | Synonyms: calycle, epicalyx, false calyx |
| calypso | (noun) rare north temperate bog orchid bearing a solitary white to pink flower marked with purple at the tip of an erect reddish stalk above 1 basal leaf | Synonyms: Calypso bulbosa, fairy-slipper |
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| calypter | (noun) scalelike structure between the base of the wing and the halter of a two-winged fly | Synonyms: alula |
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| calyptra | (noun) the hood or cap covering the calyx of certain plants: e.g., the California poppy | - |
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| calyptrate | (adjective) having a calyptra | - |
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| (adjective) having calypters | - |
| calyx | (noun) (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green | - |
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| cam | (noun) a rotating disk shaped to convert circular into linear motion | - |
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