| acanthoid | (adjective) shaped like a spine or thorn | Synonyms: acanthous, spinous |
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| accroides | (noun) an alcohol-soluble resin from Australian trees; used in varnishes and in manufacturing paper | Synonyms: acaroid resin, accaroid resin, accroides gum, accroides resin, gum accroides |
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| actinoid | (adjective) having a radial form | - |
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| (noun) any of a series of radioactive elements with atomic numbers 89 through 103 | Synonyms: actinide, actinon |
| adenoid | (adjective) relating to or resembling lymphatic glands or lymphoid tissue | - |
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| (noun) a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx) | Synonyms: Luschka's tonsil, pharyngeal tonsil, third tonsil, tonsilla adenoidea, tonsilla pharyngealis |
| adenoidal | (adjective) of or pertaining to the adenoids | - |
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| (adjective) sounding as if the nose were pinched | Synonyms: nasal, pinched |
| adenoidectomy | (noun) surgical removal of the adenoids; commonly performed along with tonsillectomy | - |
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| albuminoid | (noun) a simple protein found in horny and cartilaginous tissues and in the lens of the eye | Synonyms: scleroprotein |
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| algoid | (adjective) of or resembling algae | - |
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| alkaloid | (noun) natural bases containing nitrogen found in plants | - |
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| alkaloidal | (adjective) pertaining to or consisting of alkaloids | - |
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| allantoid | (adjective) shaped like a sausage | Synonyms: sausage-shaped |
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| ameboid | (adjective) like an amoeba (especially in having a variable irregular shape) | Synonyms: amoeboid |
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| ammonoid | (noun) one of the coiled chambered fossil shells of extinct mollusks | Synonyms: ammonite |
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| amoeboid | (adjective) like an amoeba (especially in having a variable irregular shape) | Synonyms: ameboid |
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| amphidiploid | (noun) (genetics) an organism or cell having a diploid set of chromosomes from each parent | - |
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| amphidiploidy | (noun) the condition of being amphidiploid | - |
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| amygdaloid | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaliform, amygdaloidal |
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| (noun) volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits | - |
| amygdaloidal | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaliform, amygdaloid |
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| amyloid | (adjective) resembling starch | Synonyms: amylaceous, amyloidal, farinaceous, starchlike |
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| (noun) (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue | - |
| (noun) a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch | - |
| amyloidal | (adjective) resembling starch | Synonyms: amylaceous, amyloid, farinaceous, starchlike |
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| amyloidosis | (noun) a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma | - |
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| android | (noun) an automaton that resembles a human being | Synonyms: humanoid, mechanical man |
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| (noun) An operating system from Google for mobile devices | - |
| aneroid | (adjective) containing no liquid or actuated without the use of liquid | - |
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| (noun) a barometer that measures pressure without using fluids | Synonyms: aneroid barometer |
| aneuploid | (adjective) having a chromosome number that is not an exact multiple of the haploid number | - |
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| aneuploidy | (noun) an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete) | - |
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| antherozoid | (noun) a motile male gamete of a plant such as an alga or fern or gymnosperm | Synonyms: spermatozoid |
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| anthropoid | (adjective) resembling human beings | Synonyms: manlike |
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| (adjective) resembling apes | Synonyms: anthropoidal, apelike |
| (noun) any member of the suborder Anthropoidea including monkeys and apes and hominids | - |
| (noun) person who resembles a nonhuman primate | Synonyms: ape |
| anthropoidal | (adjective) resembling apes | Synonyms: anthropoid, apelike |
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| antithyroid | (adjective) having the effect of counteracting excessive thyroid activity | - |
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| apoplectoid | (adjective) resembling apoplexy | Synonyms: apoplectiform |
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| arachnoid | (adjective) relating to or resembling a member of the class Arachnida | Synonyms: arachnidian, spiderlike, spiderly, spidery |
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| (noun) air-breathing arthropods characterized by simple eyes and four pairs of legs | Synonyms: arachnid |
| (noun) the middle of the 3 meninges | Synonyms: arachnoid membrane |
| aroid | (adjective) relating to a plant of the family Araceae | Synonyms: araceous |
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| (noun) any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe | Synonyms: arum |
| arytaenoid | (noun) either of two small cartilages at the back of the larynx to which the vocal folds are attached | Synonyms: arytenoid, arytenoid cartilage |
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| arytenoid | (noun) either of two small cartilages at the back of the larynx to which the vocal folds are attached | Synonyms: arytaenoid, arytenoid cartilage |
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| asteroid | (adjective) shaped like a star | Synonyms: star-shaped |
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| (noun) any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter) | - |
| asteroidal | (adjective) of or relating to or resembling an asteroid | - |
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| autacoid | (noun) any physiologically active internal secretion especially one of uncertain classification | Synonyms: autocoid |
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| autacoidal | (adjective) of or relating to an autacoid | - |
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| autocoid | (noun) any physiologically active internal secretion especially one of uncertain classification | Synonyms: autacoid |
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| avoid | (verb) stay clear from; keep away from; keep out of the way of someone or something | - |
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| (verb) refrain from certain foods or beverages | Synonyms: keep off |
| (verb) declare invalid | Synonyms: annul, invalidate, nullify, quash, void |
| (verb) prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off | Synonyms: avert, debar, deflect, fend off, forefend, forfend, head off, obviate, stave off, ward off |
| (verb) refrain from doing something | - |
| avoidable | (adjective) capable of being avoided or warded off | Synonyms: avertable, avertible, evitable |
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| avoidance | (noun) deliberately avoiding; keeping away from or preventing from happening | Synonyms: dodging, shunning, turning away |
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| bacterioid | (adjective) resembling bacteria | Synonyms: bacterioidal, bacteroid, bacteroidal |
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| bacterioidal | (adjective) resembling bacteria | Synonyms: bacterioid, bacteroid, bacteroidal |
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| bacteroid | (adjective) resembling bacteria | Synonyms: bacterioid, bacterioidal, bacteroidal |
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| (noun) a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants) | - |
| bacteroidal | (adjective) resembling bacteria | Synonyms: bacterioid, bacterioidal, bacteroid |
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| benzenoid | (adjective) similar to benzene in structure or linkage | - |
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| bioflavinoid | (noun) a vitamin that maintains the resistance of cell and capillary walls to permeation | Synonyms: citrin, vitamin P |
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| bitumenoid | (adjective) like bitumen | Synonyms: bituminoid |
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| bituminoid | (adjective) like bitumen | Synonyms: bitumenoid |
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| blennioid | (noun) elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins | Synonyms: blennioid fish |
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| boskopoid | (adjective) belonging or relating to or resembling Boskop man | - |
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| botryoid | (adjective) resembling a cluster of grapes in form | Synonyms: botryoidal, boytrose |
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| botryoidal | (adjective) resembling a cluster of grapes in form | Synonyms: botryoid, boytrose |
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| broider | (verb) decorate with needlework | Synonyms: embroider |
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| bungaloid | (adjective) characterized by bungalows | - |
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| cancroid | (adjective) of or relating to a cancroid | - |
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| (noun) the most common form of skin cancer | Synonyms: squamous cell carcinoma |
| carcinoid | (noun) a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin | - |
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| cardioid | (noun) an epicycloid in which the rolling circle equals the fixed circle | - |
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| carotenoid | (noun) any of a class of highly unsaturated yellow to red pigments occurring in plants and animals | - |
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| celluloid | (adjective) artificial as if portrayed in a film | Synonyms: synthetic |
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| (noun) a medium that disseminates moving pictures | Synonyms: cinema, film |
| (noun) highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics | - |
| centroid | (noun) the center of mass of an object of uniform density | - |
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| centroidal | (adjective) of or relating to (especially passing through) a centroid | - |
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| chancroid | (noun) infectious venereal ulcer | - |
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| chancroidal | (adjective) of or relating to or having chancroids | - |
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| cheloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: keloid |
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| choroid | (noun) a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye | Synonyms: choroid coat |
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| coccidioidomycosis | (noun) an infection of the lungs and skin characterized by excessive sputum and nodules | Synonyms: coccidiomycosis, desert rheumatism, valley fever |
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| coccoid | (adjective) spherical; like a coccus | - |
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| colloid | (noun) a mixture with properties between those of a solution and fine suspension | - |
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| colloidal | (adjective) of or relating to or having the properties of a colloid | - |
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| colloidally | (adverb) in a colloidal manner | - |
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| conchoid | (noun) Any of a family of curves defined as the locus of points p, such that each p is on a line that passes through a given fixed point P and intersects a given curve, C, and the distance from p to the point of intersection with C is a specified constant (note that for nontrivial cases two such points p satisfy the criteria, and the resultant curve has two parts). | - |
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| conoid | (noun) a shape whose base is a circle and whose sides taper up to a point | Synonyms: cone, cone shape |
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| corticoid | (noun) a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response | Synonyms: adrenal cortical steroid, corticosteroid |
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| corticosteroid | (noun) a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response | Synonyms: adrenal cortical steroid, corticoid |
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| cotyloid | (adjective) of the cup-shaped socket that receives the head of the thigh bone | Synonyms: acetabular, cotyloidal |
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| cotyloidal | (adjective) of the cup-shaped socket that receives the head of the thigh bone | Synonyms: acetabular, cotyloid |
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| crinoid | (adjective) of or relating to or belonging to the class Crinoidea | - |
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| (noun) primitive echinoderms having five or more feathery arms radiating from a central disk | - |
| ctenoid | (adjective) resembling a comb; having projections like the teeth of a comb | Synonyms: comb-like |
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| cuboid | (adjective) shaped like a cube | Synonyms: cube-shaped, cubelike, cubical, cubiform, cuboidal |
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| (noun) a rectangular parallelepiped | - |
| cuboidal | (adjective) shaped like a cube | Synonyms: cube-shaped, cubelike, cubical, cubiform, cuboid |
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| cycloid | (adjective) resembling a circle | Synonyms: cycloidal |
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| (noun) a line generated by a point on a circle rolling along a straight line | - |
| cycloidal | (adjective) resembling a circle | Synonyms: cycloid |
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| cyprinoid | (adjective) of or relating to members of fish family Cyprinidae | Synonyms: cyprinid |
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| deltoid | (adjective) triangular or suggesting a capital delta, with a point at the apex | - |
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| (noun) a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm | Synonyms: deltoid muscle, musculus deltoideus |
| demantoid | (noun) a green andradite used as a gemstone | - |
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| dendroid | (adjective) resembling a tree in form and branching structure | Synonyms: arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, dendroidal, tree-shaped, treelike |
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| dendroidal | (adjective) resembling a tree in form and branching structure | Synonyms: arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, dendroid, tree-shaped, treelike |
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| devoid | (adjective) completely wanting or lacking | Synonyms: barren, destitute, free, innocent |
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| diploid | (adjective) of a cell or organism having two sets of chromosomes or twice the haploid number | - |
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| (noun) (genetics) an organism or cell having the normal amount of DNA per cell; i.e., two sets of chromosomes or twice the haploid number | - |
| diploidy | (noun) the condition of being diploid | - |
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| discoid | (adjective) having a flat circular shape | Synonyms: disc-shaped, disclike, discoidal, disk-shaped, disklike |
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| discoidal | (adjective) having a flat circular shape | Synonyms: disc-shaped, disclike, discoid, disk-shaped, disklike |
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| ecdysteroid | (noun) #DD: The name 'ecdysteroid' refers to the insect moulting and sex hormones which include ecdysone and its homologues such as 20-hydroxyecdysone. | - |
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| ellipsoid | (adjective) having the nature or shape of an ellipsoid | Synonyms: ellipsoidal, spheroidal |
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| (noun) a surface whose plane sections are all ellipses or circles | - |
| ellipsoidal | (adjective) having the nature or shape of an ellipsoid | Synonyms: ellipsoid, spheroidal |
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| embroider | (verb) add details to | Synonyms: aggrandise, aggrandize, blow up, dramatise, dramatize, embellish, lard, pad |
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| (verb) decorate with needlework | Synonyms: broider |
| embroiderer | (noun) someone who ornaments with needlework | - |
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| embroideress | (noun) a woman embroiderer | - |
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