| aborticide | (noun) the act of destroying a fetus | Synonyms: feticide |
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| (noun) a drug (or other chemical agent) that causes abortion | Synonyms: abortifacient, abortion-inducing drug |
| acaracide | (noun) a chemical agent used to kill mites | Synonyms: acaricide |
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| acaricide | (noun) a chemical agent used to kill mites | Synonyms: acaracide |
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| accidence | (noun) the part of grammar that deals with the inflections of words | Synonyms: inflectional morphology |
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| accident | (noun) anything that happens suddenly or by chance without an apparent cause | Synonyms: chance event, fortuity, stroke |
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| (noun) an unfortunate mishap; especially one causing damage or injury | - |
| accidental | (adjective) not of prime or central importance | Synonyms: incidental, nonessential |
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| (adjective) happening by chance or unexpectedly or unintentionally | Synonyms: inadvertent |
| (noun) a musical notation that makes a note sharp or flat or natural although that is not part of the key signature | - |
| accidentally | (adverb) without advance planning | Synonyms: by chance, circumstantially, unexpectedly |
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| (adverb) without intention; in an unintentional manner | Synonyms: unintentionally |
| (adverb) of a minor or subordinate nature | Synonyms: incidentally |
| acid | (adjective) having the characteristics of an acid | - |
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| (adjective) being sour to the taste | Synonyms: acidic, acidulent, acidulous |
| (adjective) harsh or corrosive in tone | Synonyms: acerb, acerbic, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic |
| (noun) street name for lysergic acid diethylamide | Synonyms: back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen |
| (noun) any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt | - |
| acidemia | (noun) a blood disorder characterized by an increased concentration of hydrogen ions in the blood (which falls below 7 on the pH scale) | - |
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| acidic | (adjective) being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7) | - |
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| (adjective) being sour to the taste | Synonyms: acid, acidulent, acidulous |
| acidification | (noun) the process of becoming acid or being converted into an acid | - |
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| acidify | (verb) turn acidic | Synonyms: acetify |
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| (verb) make sour or more sour | Synonyms: acetify, acidulate, sour |
| acidimetric | (adjective) involving or related to acidimetry | - |
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| acidimetry | (noun) volumetric analysis using standard solutions of acids to measure the amount of a base present | - |
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| acidity | (noun) pH values below 7 | - |
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| (noun) the property of being acidic | Synonyms: sour, sourness |
| (noun) the taste experience when something acidic is taken into the mouth | Synonyms: acidulousness |
| acidophil | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophile |
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| acidophile | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophil |
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| acidophilic | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilous, aciduric |
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| acidophilous | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilic, aciduric |
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| acidophilus | (noun) a bacterium that is used to make yogurt and to supplement probiotics | Synonyms: Lactobacillus acidophilus |
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| acidosis | (noun) abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues | - |
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| acidotic | (adjective) having or being characterized by acidosis | - |
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| acidulate | (verb) make sour or more sour | Synonyms: acetify, acidify, sour |
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| acidulent | (adjective) being sour to the taste | Synonyms: acid, acidic, acidulous |
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| acidulous | (adjective) being sour to the taste | Synonyms: acid, acidic, acidulent |
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| acidulousness | (noun) the taste experience when something acidic is taken into the mouth | Synonyms: acidity |
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| aciduric | (adjective) especially of some bacteria; growing well in an acid medium | Synonyms: acidophilic, acidophilous |
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| aminoaciduria | (noun) abnormal presence of amino acids in the urine; usually a symptom of metabolic defects | - |
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| antacid | (adjective) acting to neutralize acid (especially in the stomach) | - |
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| (noun) an agent that counteracts or neutralizes acidity (especially in the stomach) | Synonyms: alkaliser, alkalizer, antiacid, gastric antacid |
| antiacid | (noun) an agent that counteracts or neutralizes acidity (especially in the stomach) | Synonyms: alkaliser, alkalizer, antacid, gastric antacid |
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| ascidian | (noun) minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves | - |
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| bacteriacide | (noun) any chemical agent that destroys bacteria | Synonyms: bactericide |
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| bactericidal | (adjective) preventing infection by inhibiting the growth or action of microorganisms | Synonyms: disinfectant, germicidal |
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| bactericide | (noun) any drug that destroys bacteria or inhibits their growth | Synonyms: antibacterial, antibacterial drug |
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| (noun) any chemical agent that destroys bacteria | Synonyms: bacteriacide |
| bombycid | (noun) moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk | Synonyms: bombycid moth, silkworm moth |
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| chalcid | (noun) any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects | Synonyms: chalcid fly, chalcid wasp, chalcidfly |
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| chalcidfly | (noun) any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects | Synonyms: chalcid, chalcid fly, chalcid wasp |
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| characid | (noun) any freshwater fish of the family Characinidae | Synonyms: characin, characin fish |
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| cider | (noun) a beverage made from juice pressed from apples | Synonyms: cyder |
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| ciderpress | (noun) a press that is used to extract the juice from apples | - |
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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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| coccidiomycosis | (noun) an infection of the lungs and skin characterized by excessive sputum and nodules | Synonyms: coccidioidomycosis, desert rheumatism, valley fever |
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| coccidiosis | (noun) (veterinary medicine) infestation with coccidia | - |
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| coccidium | (noun) parasitic on the digestive epithelium of vertebrates and higher invertebrates | Synonyms: eimeria |
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| coincide | (verb) happen simultaneously | Synonyms: concur |
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| (verb) go with, fall together | Synonyms: co-occur, cooccur |
| (verb) be the same | - |
| coincidence | (noun) the temporal property of two things happening at the same time | Synonyms: co-occurrence, concurrence, conjunction |
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| (noun) the quality of occupying the same position or area in space | - |
| (noun) an event that might have been arranged although it was really accidental | Synonyms: happenstance |
| coincident | (adjective) matching point for point | - |
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| (adjective) occurring or operating at the same time | Synonyms: co-occurrent, coincidental, coinciding, concurrent, cooccurring, simultaneous |
| coincidental | (adjective) occurring or operating at the same time | Synonyms: co-occurrent, coincident, coinciding, concurrent, cooccurring, simultaneous |
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| coincidentally | (adverb) happening at the same time | Synonyms: coincidently |
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| coincidently | (adverb) happening at the same time | Synonyms: coincidentally |
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| coinciding | (adjective) occurring or operating at the same time | Synonyms: co-occurrent, coincident, coincidental, concurrent, cooccurring, simultaneous |
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| decide | (verb) reach, make, or come to a decision about something | Synonyms: determine, make up one's mind |
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| (verb) bring to an end; settle conclusively | Synonyms: adjudicate, resolve, settle |
| (verb) cause to decide | - |
| (verb) influence or determine | - |
| decideable | (adjective) capable of being decided as following or not following from the axioms of a logical system | - |
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| decided | (adjective) recognizable; marked | Synonyms: distinct |
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| decidedly | (adverb) without question and beyond doubt | Synonyms: by all odds, definitely, emphatically, in spades, unquestionably |
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| deciding | (adjective) having the power or quality of deciding | Synonyms: determinant, determinative, determining |
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| (noun) the cognitive process of reaching a decision | Synonyms: decision making |
| decidua | (noun) the epithelial tissue of the endometrium | - |
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| deciduous | (adjective) (of plants and shrubs) shedding foliage at the end of the growing season | - |
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| (adjective) (of teeth, antlers, etc.) being shed at the end of a period of growth | - |
| elucidate | (verb) make free from confusion or ambiguity; make clear | Synonyms: clear, clear up, crystalise, crystalize, crystallise, crystallize, enlighten, illuminate, shed light on, sort out, straighten out |
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| (verb) make clear and (more) comprehensible | Synonyms: clarify, clear up |
| elucidation | (noun) an interpretation that removes obstacles to understanding | Synonyms: clarification, illumination |
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| (noun) an act of explaining that serves to clear up and cast light on | - |
| elucidative | (adjective) that makes clear | Synonyms: clarifying |
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| feticide | (noun) the act of destroying a fetus | Synonyms: aborticide |
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| filicide | (noun) the murder of your own son or daughter | - |
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| (noun) a parent who murders his own son or daughter | - |
| flaccid | (adjective) drooping without elasticity; wanting in stiffness | - |
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| (adjective) out of condition; not strong or robust; incapable of exertion or endurance | Synonyms: flabby, soft |
| flaccidity | (noun) a flabby softness | Synonyms: flabbiness, limpness |
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| fratricide | (noun) the murder of your sibling | - |
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| (noun) fire that injures or kills an ally | Synonyms: friendly fire |
| (noun) a person who murders their brother or sister | - |
| fungicidal | (adjective) capable of destroying fungi | Synonyms: antifungal |
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| fungicide | (noun) any agent that destroys or prevents the growth of fungi | Synonyms: antifungal, antifungal agent, antimycotic, antimycotic agent |
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| genocide | (noun) systematic killing of a racial or cultural group | Synonyms: race murder, racial extermination |
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| germicidal | (adjective) preventing infection by inhibiting the growth or action of microorganisms | Synonyms: bactericidal, disinfectant |
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| germicide | (noun) an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease | Synonyms: antimicrobial, antimicrobic, disinfectant |
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| gliricidia | (noun) any of several small deciduous trees valued for their dark wood and dense racemes of nectar-rich pink flowers grown in great profusion on arching branches; roots and bark and leaves and seeds are poisonous | - |
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| gramicidin | (noun) an antibiotic produced by a soil bacterium; used chiefly as an antiseptic in treating local infections produced by Gram-positive bacteria | - |
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| herbicide | (noun) a chemical agent that destroys plants or inhibits their growth | Synonyms: weed killer, weedkiller |
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| hippoboscid | (noun) bloodsucking dipterous fly parasitic on birds and mammals | Synonyms: louse fly |
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| homicidal | (adjective) characteristic of or capable of or having a tendency toward killing another human being | Synonyms: murderous |
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| homicide | (noun) the killing of a human being by another human being | - |
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| hyperacidity | (noun) excessive acidity | - |
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| incidence | (noun) the striking of a light beam on a surface | - |
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| (noun) the relative frequency of occurrence of something | Synonyms: relative incidence |
| incident | (adjective) (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence | Synonyms: incidental |
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| (adjective) falling or striking of light rays on something | - |
| (noun) a single distinct event | - |
| (noun) a public disturbance | - |
| incidental | (adjective) (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence | Synonyms: incident |
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| (adjective) not of prime or central importance | Synonyms: accidental, nonessential |
| (adjective) occurring with or following as a consequence | Synonyms: accompanying, attendant, collateral, concomitant, consequent, ensuant, resultant, sequent |
| (noun) an item that is incidental | - |
| (noun) (frequently plural) an expense not budgeted or not specified | Synonyms: incidental expense, minor expense |
| incidentally | (adverb) introducing a different topic | Synonyms: apropos, by the bye, by the way |
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| (adverb) of a minor or subordinate nature | Synonyms: accidentally |
| infanticide | (noun) murdering an infant | - |
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| (noun) a person who murders an infant | - |
| insecticidal | (adjective) of or relating to insecticide | - |
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| insecticidally | (adverb) by means of an insecticide | - |
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| insecticide | (noun) a chemical used to kill insects | Synonyms: insect powder |
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| ketoacidosis | (noun) acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus | Synonyms: diabetic acidosis |
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| ketoaciduria | (noun) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation | Synonyms: acetonuria, ketonuria |
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| larvacide | (noun) an insecticide that kills the larvae of insects | - |
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| larvicide | (noun) a chemical used to kill larval pests | - |
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| lucid | (adjective) (of language) transparently clear; easily understandable | Synonyms: crystal clear, limpid, luculent, pellucid, perspicuous |
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| (adjective) transmitting light; able to be seen through with clarity | Synonyms: crystal clear, crystalline, limpid, pellucid, transparent |
| (adjective) capable of thinking and expressing yourself in a clear and consistent manner | Synonyms: coherent, logical |
| (adjective) having a clear mind | - |
| lucidity | (noun) free from obscurity and easy to understand; the comprehensibility of clear expression | Synonyms: clarity, clearness, limpidity, lucidness, pellucidity |
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| (noun) a lucid state of mind; not confused | - |
| lucidly | (adverb) in a clear and lucid manner | Synonyms: limpidly, pellucidly, perspicuously |
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| lucidness | (noun) free from obscurity and easy to understand; the comprehensibility of clear expression | Synonyms: clarity, clearness, limpidity, lucidity, pellucidity |
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| mariticide | (noun) the murder of a husband by his wife | - |
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| matricide | (noun) the murder of your mother | - |
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| (noun) a person who murders their mother | - |
| mucoviscidosis | (noun) the most common hereditary disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known | Synonyms: CF, cystic fibrosis, fibrocystic disease of the pancreas, pancreatic fibrosis |
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| nonviscid | (adjective) not resembling glue in texture | Synonyms: nonglutinous |
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| occident | (noun) the hemisphere that includes North America and South America | Synonyms: western hemisphere |
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| occidental | (adjective) denoting or characteristic of countries of Europe and the western hemisphere | Synonyms: Hesperian |
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