| acanthocephalan | (noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines | Synonyms: spiny-headed worm |
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| accept | (verb) consider or hold as true | - |
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| (verb) react favorably to; consider right and proper | - |
| (verb) tolerate or accommodate oneself to | Synonyms: live with, swallow |
| (verb) be sexually responsive to, used of a female domesticated mammal | - |
| (verb) give an affirmative reply to; respond favorably to | Synonyms: consent, go for |
| (verb) receive willingly something given or offered | Synonyms: have, take |
| (verb) take on as one's own the expenses or debts of another person | Synonyms: assume, bear, take over |
| (verb) admit into a group or community | Synonyms: admit, take, take on |
| (verb) receive (a report) officially, as from a committee | - |
| (verb) make use of or accept for some purpose | Synonyms: take |
| (verb) be designed to hold or take | Synonyms: take |
| acceptability | (noun) satisfactoriness by virtue of conforming to approved standards | Synonyms: acceptableness |
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| acceptable | (adjective) worthy of acceptance or satisfactory | - |
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| (adjective) adequate for the purpose | - |
| (adjective) meeting requirements | Synonyms: decent, satisfactory |
| (adjective) judged to be in conformity with approved usage | - |
| acceptableness | (noun) satisfactoriness by virtue of conforming to approved standards | Synonyms: acceptability |
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| acceptably | (adverb) in an acceptable (but not outstanding) manner | Synonyms: so-so, tolerably |
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| acceptance | (noun) the act of accepting with approval; favorable reception | Synonyms: acceptation, adoption, espousal |
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| (noun) the act of taking something that is offered | - |
| (noun) a disposition to tolerate or accept people or situations | Synonyms: sufferance, toleration |
| (noun) the mental attitude that something is believable and should be accepted as true | Synonyms: credence |
| (noun) (contract law) words signifying consent to the terms of an offer (thereby creating a contract) | - |
| (noun) a time draft drawn on and accepted by a bank | Synonyms: banker's acceptance |
| (noun) the state of being acceptable and accepted | - |
| acceptant | (adjective) accepting willingly | Synonyms: acceptive |
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| acceptation | (noun) the act of accepting with approval; favorable reception | Synonyms: acceptance, adoption, espousal |
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| (noun) the accepted meaning of a word | Synonyms: word meaning, word sense |
| (noun) acceptance as true or valid | - |
| accepted | (adjective) generally approved or compelling recognition | Synonyms: recognised, recognized |
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| accepting | (adjective) tolerating without protest | - |
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| acceptive | (adjective) inclined to accept rather than reject | - |
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| (adjective) accepting willingly | Synonyms: acceptant |
| acceptor | (noun) the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures | - |
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| (noun) (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated | - |
| acephalia | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalism, acephaly |
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| acephalism | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalia, acephaly |
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| acephalous | (adjective) lacking a head or a clearly defined head | - |
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| acephaly | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalia, acephalism |
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| acrocephaly | (noun) a congenital abnormality of the skull; the top of the skull assumes a cone shape | Synonyms: oxycephaly |
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| amboceptor | (noun) an immune body formed in the blood during infection or immunization that serves to link the complement to the antigen. | - |
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| anencephalia | (noun) a defect in brain development resulting in small or missing brain hemispheres | Synonyms: anencephaly |
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| anencephalic | (adjective) characterized by partial or total absence of a brain | Synonyms: anencephalous |
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| anencephalous | (adjective) characterized by partial or total absence of a brain | Synonyms: anencephalic |
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| anencephaly | (noun) a defect in brain development resulting in small or missing brain hemispheres | Synonyms: anencephalia |
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| apperception | (noun) the process whereby perceived qualities of an object are related to past experience | - |
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| apperceptive | (adjective) able to relate new percepts to past experience | - |
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| baroreceptor | (noun) a sensory receptor that responds to pressure | - |
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| bicephalous | (adjective) having two heads | - |
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| biceps | (noun) any skeletal muscle having two origins (but especially the muscle that flexes the forearm) | - |
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| brachycephalic | (adjective) having a short broad head with a cephalic index of over 80 | Synonyms: brachycranial, brachycranic |
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| (noun) an adult with a short broad head | - |
| brachycephalism | (noun) the quality of being brachycephalic | Synonyms: brachycephaly |
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| brachycephaly | (noun) the quality of being brachycephalic | Synonyms: brachycephalism |
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| cephalalgia | (noun) pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs | Synonyms: head ache, headache |
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| cephalaspid | (noun) extinct jawless fish of the Devonian with armored head | Synonyms: osteostracan |
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| cephalexin | (noun) a cephalosporin antibiotic (trade names Keflex and Keflin and Keftab) commonly prescribed for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract | Synonyms: Keflex, Keflin, Keftab |
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| cephalhematoma | (noun) a collection of blood under the scalp of a newborn; caused by pressure during birth | Synonyms: cephalohematoma |
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| cephalic | (adjective) of or relating to the head | - |
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| cephalitis | (noun) inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use) | Synonyms: encephalitis, phrenitis |
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| cephalochordate | (noun) fish-like animals having a notochord rather than a true spinal column | - |
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| cephaloglycin | (noun) antibiotic related to cephalosporin but no longer in common use | Synonyms: Kafocin |
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| cephalohematoma | (noun) a collection of blood under the scalp of a newborn; caused by pressure during birth | Synonyms: cephalhematoma |
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| cephalometry | (noun) measurement of human heads | - |
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| cephalopod | (adjective) relating or belonging to the class Cephalopoda | Synonyms: cephalopodan |
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| (noun) marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles | Synonyms: cephalopod mollusk |
| cephalopodan | (adjective) relating or belonging to the class Cephalopoda | Synonyms: cephalopod |
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| cephaloridine | (noun) a broad spectrum semisynthetic antibiotic produced by modifying cephalosporin | - |
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| cephalosporin | (noun) one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity | Synonyms: Mefoxin |
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| cephalothin | (noun) a semisynthetic analogue of cephalosporin | - |
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| chemoreceptive | (adjective) of or relating to chemoreceptors | - |
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| chemoreceptor | (noun) a sensory receptor that responds to chemical stimuli | - |
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| clinocephalism | (noun) a congenital defect in which the top of the head is depressed (concave instead of convex) | Synonyms: clinocephaly |
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| clinocephaly | (noun) a congenital defect in which the top of the head is depressed (concave instead of convex) | Synonyms: clinocephalism |
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| concept | (noun) an abstract or general idea inferred or derived from specific instances | Synonyms: conception, construct |
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| conception | (noun) the act of becoming pregnant; fertilization of an ovum by a spermatozoon | - |
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| (noun) an abstract or general idea inferred or derived from specific instances | Synonyms: concept, construct |
| (noun) the creation of something in the mind | Synonyms: design, excogitation, innovation, invention |
| (noun) the event that occurred at the beginning of something | Synonyms: creation |
| conceptional | (adjective) being of the nature of a notion or concept | Synonyms: ideational, notional |
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| conceptive | (adjective) capable of conceiving | Synonyms: impregnable |
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| conceptual | (adjective) being or characterized by concepts or their formation | - |
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| conceptualisation | (noun) inventing or contriving an idea or explanation and formulating it mentally | Synonyms: conceptualization, formulation |
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| (noun) an elaborated concept | Synonyms: conceptuality, conceptualization |
| conceptualise | (verb) have the idea for | Synonyms: conceive, conceptualize, gestate |
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| conceptualism | (noun) the doctrine that the application of a general term to various objects indicates the existence of a mental entity that mediates the application | - |
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| conceptualistic | (adjective) involving or characteristic of conceptualism | - |
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| conceptuality | (noun) an elaborated concept | Synonyms: conceptualisation, conceptualization |
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| conceptualization | (noun) inventing or contriving an idea or explanation and formulating it mentally | Synonyms: conceptualisation, formulation |
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| (noun) an elaborated concept | Synonyms: conceptualisation, conceptuality |
| conceptualize | (verb) have the idea for | Synonyms: conceive, conceptualise, gestate |
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| conceptually | (adverb) in a conceptual manner | - |
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| conceptus | (noun) an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life | Synonyms: embryo, fertilized egg |
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| contraception | (noun) birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery | Synonyms: contraceptive method |
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| contraceptive | (adjective) capable of preventing conception or impregnation | Synonyms: antifertility, prophylactic |
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| (noun) an agent or device intended to prevent conception | Synonyms: birth control device, contraceptive device, preventative, preventive, prophylactic device |
| deception | (noun) the act of deceiving | Synonyms: deceit, dissembling, dissimulation |
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| (noun) an illusory feat; considered magical by naive observers | Synonyms: conjuration, conjuring trick, illusion, legerdemain, magic, magic trick, thaumaturgy, trick |
| (noun) a misleading falsehood | Synonyms: deceit, misrepresentation |
| deceptive | (adjective) designed to deceive or mislead either deliberately or inadvertently | Synonyms: misleading |
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| (adjective) causing one to believe what is not true or fail to believe what is true | Synonyms: delusory |
| deceptively | (adverb) in a misleading way | Synonyms: deceivingly, misleadingly |
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| deceptiveness | (noun) the quality of being deceptive | Synonyms: obliquity |
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| diencephalon | (noun) the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon | Synonyms: betweenbrain, interbrain, thalmencephalon |
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| disceptation | (noun) a contentious speech act; a dispute where there is strong disagreement | Synonyms: arguing, argument, contention, contestation, controversy, disputation, tilt |
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| dolichocephalic | (adjective) having a relatively long head with a cephalic index of under 75 | Synonyms: dolichocranial, dolichocranic |
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| (noun) an adult with a long narrow head | - |
| dolichocephalism | (noun) the quality of being dolichocephalic | Synonyms: dolichocephaly |
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| dolichocephaly | (noun) the quality of being dolichocephalic | Synonyms: dolichocephalism |
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| echoencephalogram | (noun) a graphical image of the brain produced by an echoencephalograph | - |
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| echoencephalograph | (noun) a sonograph that creates an image of the brain and its abnormalities | - |
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| echoencephalography | (noun) a noninvasive diagnostic procedure that uses ultrasound to study the anatomy of the brain | - |
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| electroencephalogram | (noun) a graphical record of electrical activity of the brain; produced by an electroencephalograph | Synonyms: EEG, encephalogram |
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| electroencephalograph | (noun) medical instrument that records electric currents generated by the brain | - |
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| electroencephalographic | (adjective) of or relating to an electroencephalograph | - |
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| encephalartos | (noun) any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long often spiny pinnate leaves | - |
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| encephalitis | (noun) inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use) | Synonyms: cephalitis, phrenitis |
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| encephalocele | (noun) protrusion of brain tissue through a congenital fissure in the skull | - |
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| encephalogram | (noun) an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast | Synonyms: pneumoencephalogram |
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| (noun) a graphical record of electrical activity of the brain; produced by an electroencephalograph | Synonyms: EEG, electroencephalogram |
| encephalograph | (noun) Any apparatus used to produce an encephalogram by recording electric currents generated by the brain. | - |
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| encephalography | (noun) roentgenography of the brain after spinal fluid has been replaced by a gas (usually oxygen); produces an encephalogram | - |
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| encephalomeningitis | (noun) inflammation of the brain and spinal cord and their meninges | Synonyms: cerebromeningitis, meningoencephalitis |
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| encephalomyelitis | (noun) inflammation of the brain and spinal cord | - |
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| encephalon | (noun) that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord | Synonyms: brain |
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| encephalopathy | (noun) any disorder or disease of the brain | Synonyms: brain disease, brain disorder |
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| enteroceptor | (noun) any receptor that responds to stimuli inside the body | Synonyms: interoceptor |
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| etanercept | (noun) a genetically engineered anti-TNF compound (trade name Enbrel) consisting of receptors that bind TNF; it is injected twice a week in the treatment of rheumatoid arthritis | Synonyms: Enbrel |
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| except | (verb) prevent from being included or considered or accepted | Synonyms: exclude, leave off, leave out, omit, take out |
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| (verb) object to | Synonyms: demur |
| exception | (noun) a deliberate act of omission | Synonyms: elision, exclusion |
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| (noun) an instance that does not conform to a rule or generalization | - |
| (noun) grounds for adverse criticism | - |
| exceptionable | (adjective) liable to objection or debate; used of something one might take exception to | Synonyms: objectionable |
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| exceptional | (adjective) deviating widely from a norm of physical or mental ability; used especially of children below normal in intelligence | - |
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| (adjective) far beyond what is usual in magnitude or degree | Synonyms: exceeding, olympian, prodigious, surpassing |
| (adjective) surpassing what is common or usual or expected | Synonyms: especial, particular, special |
| exceptionally | (adverb) to an exceptional degree | - |
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| exteroception | (noun) sensitivity to stimuli originating outside of the body | - |
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| exteroceptive | (adjective) of or relating to exteroception | - |
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