| acrocephaly | (noun) a congenital abnormality of the skull; the top of the skull assumes a cone shape | Synonyms: oxycephaly |
|---|
| acrolein | (noun) a pungent colorless unsaturated liquid aldehyde made from propene | Synonyms: propenal |
|---|
| acromegalia | (noun) enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor) | Synonyms: acromegaly |
|---|
| acromegaly | (noun) enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor) | Synonyms: acromegalia |
|---|
| acromphalus | (noun) abnormal protrusion of the navel; sometimes the start of umbilical hernia | - |
|---|
| acropolis | (noun) the citadel in ancient Greek towns | - |
|---|
| acrylamide | (noun) a white crystalline amide of propenoic acid can damage the nervous system and is carcinogenic in laboratory animals | - |
|---|
| acrylate | (noun) a salt or ester of propenoic acid | Synonyms: propenoate |
|---|
| acrylic | (noun) a synthetic fabric made from polyacrylonitrile | - |
|---|
| (noun) used especially by artists | Synonyms: acrylic paint |
| (noun) a glassy thermoplastic; can be cast and molded or used in coatings and adhesives | Synonyms: acrylate resin, acrylic resin |
| (noun) polymerized from acrylonitrile | Synonyms: acrylic fiber |
| acrylonitrile | (noun) a colorless liquid unsaturated nitrile made from propene | Synonyms: propenonitrile, vinyl cyanide |
|---|
| actinolite | (noun) a green mineral of the amphibole group; calcium magnesium iron silicate | - |
|---|
| actualisation | (noun) making real or giving the appearance of reality | Synonyms: actualization, realisation, realization |
|---|
| actuality | (noun) the state of actually existing objectively | - |
|---|
| actualization | (noun) making real or giving the appearance of reality | Synonyms: actualisation, realisation, realization |
|---|
| aculea | (noun) small spiny outgrowth on the wings of certain insects | - |
|---|
| aculeus | (noun) a sharp-pointed process especially a sting of a hymenopterous insect | - |
|---|
| (noun) a stiff sharp-pointed plant process | - |
| acyclovir | (noun) an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms | Synonyms: Zovirax |
|---|
| acyl | (noun) any group or radical of the form RCO- where R is an organic group | Synonyms: acyl group |
|---|
| acylation | (noun) the process of introducing an acyl group into a compound | - |
|---|
| acylglycerol | (noun) an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils | Synonyms: glyceride |
|---|
| adactylia | (noun) congenital absence of fingers and/or toes | Synonyms: adactylism, adactyly |
|---|
| adactylism | (noun) congenital absence of fingers and/or toes | Synonyms: adactylia, adactyly |
|---|
| adactyly | (noun) congenital absence of fingers and/or toes | Synonyms: adactylia, adactylism |
|---|
| adaptability | (noun) the ability to change (or be changed) to fit changed circumstances | - |
|---|
| addlehead | (noun) a person with confused ideas; incapable of serious thought | Synonyms: addle-head, birdbrain, loon |
|---|
| adelgid | (noun) any of various insects that feed and form galls on conifers | - |
|---|
| adenomegaly | (noun) gland enlargement | - |
|---|
| admirability | (noun) admirable excellence | Synonyms: admirableness, wonderfulness |
|---|
| admirableness | (noun) admirable excellence | Synonyms: admirability, wonderfulness |
|---|
| admiral | (noun) any of several brightly colored butterflies | - |
|---|
| (noun) the supreme commander of a fleet; ranks above a vice admiral and below a fleet admiral | Synonyms: full admiral |
| admiralty | (noun) the office of admiral | - |
|---|
| (noun) the department in charge of the navy (as in Great Britain) | - |
| admissibility | (noun) acceptability by virtue of being admissible | - |
|---|
| adolescence | (noun) in the state that someone is in between puberty and adulthood | - |
|---|
| (noun) the time period between the beginning of puberty and adulthood | - |
| adolescent | (noun) a juvenile between the onset of puberty and maturity | Synonyms: stripling, teen, teenager |
|---|
| adorability | (noun) extreme attractiveness | Synonyms: adorableness |
|---|
| adorableness | (noun) extreme attractiveness | Synonyms: adorability |
|---|
| adrenal | (noun) either of a pair of complex endocrine glands situated near the kidney | Synonyms: adrenal gland, suprarenal gland |
|---|
| adrenalectomy | (noun) surgical removal of one or both adrenal glands | Synonyms: suprarenalectomy |
|---|
| adrenaline | (noun) a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action | Synonyms: Adrenalin, epinephrin, epinephrine |
|---|
| adulation | (noun) servile flattery; exaggerated and hypocritical praise | - |
|---|
| adulator | (noun) a person who uses flattery | Synonyms: flatterer |
|---|
| adult | (noun) any mature animal | - |
|---|
| (noun) a fully developed person from maturity onward | Synonyms: grownup |
| adulterant | (noun) any substance that lessens the purity or effectiveness of a substance | Synonyms: adulterator |
|---|
| adulteration | (noun) the act of adulterating (especially the illicit substitution of one substance for another) | - |
|---|
| (noun) being mixed with extraneous material; the product of adulterating | Synonyms: debasement |
| adulterator | (noun) a changer who lessens the purity or effectiveness of a substance | - |
|---|
| (noun) any substance that lessens the purity or effectiveness of a substance | Synonyms: adulterant |
| adulterer | (noun) someone who commits adultery or fornication | Synonyms: fornicator |
|---|
| adulteress | (noun) a woman adulterer | Synonyms: fornicatress, hussy, jade, loose woman, slut, strumpet, trollop |
|---|
| adulterousness | (noun) The quality of being adulterous, involving sexual intercourse by a married person with someone other than their spouse. | - |
|---|
| adultery | (noun) extramarital sex that willfully and maliciously interferes with marriage relations | Synonyms: criminal conversation, fornication |
|---|
| adulthood | (noun) the state (and responsibilities) of a person who has attained maturity | - |
|---|
| (noun) the period of time in your life after your physical growth has stopped and you are fully developed | Synonyms: maturity |
| adulting | (noun) acting like an adult | - |
|---|
| adverbial | (noun) a word or group of words function as an adverb | - |
|---|
| advertorial | (noun) an advertisement that is written and presented in the style of an editorial or journalistic report | - |
|---|
| advisability | (noun) the quality of being advisable | - |
|---|
| aerial | (noun) a pass to a receiver downfield from the passer | Synonyms: forward pass |
|---|
| (noun) an electrical device that sends or receives radio or television signals | Synonyms: antenna, transmitting aerial |
| aerialist | (noun) an acrobat who performs in the air (as on a rope or trapeze) | - |
|---|
| aerodontalgia | (noun) pain in the teeth that results from a change in air pressure (as in flying or mountain climbing) | - |
|---|
| aeroembolism | (noun) obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving | Synonyms: air embolism, gas embolism |
|---|
| (noun) pain resulting from rapid change in pressure | Synonyms: air embolism, bends, caisson disease, decompression sickness, gas embolism |
| aerofoil | (noun) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | Synonyms: airfoil, control surface, surface |
|---|
| aerolite | (noun) a stony meteorite consisting of silicate minerals | - |
|---|
| aerology | (noun) meteorology of the total extent of the atmosphere; especially the upper layers | - |
|---|
| aerophilately | (noun) the collection and study of airmail stamps | - |
|---|
| aerophile | (noun) a lover of aviation | - |
|---|
| aeroplane | (noun) an aircraft that has a fixed wing and is powered by propellers or jets | Synonyms: airplane, plane |
|---|
| aerosol | (noun) a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas) | Synonyms: aerosol bomb, aerosol can, aerosol container, spray can |
|---|
| (noun) a cloud of solid or liquid particles in a gas | - |
| aetiologist | (noun) a specialist in the etiology of diseases | Synonyms: etiologist |
|---|
| aetiology | (noun) the philosophical study of causation | Synonyms: etiology |
|---|
| (noun) the cause of a disease | Synonyms: etiology |
| affability | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affableness, amiability, amiableness, bonhomie, geniality |
|---|
| affableness | (noun) a disposition to be friendly and approachable (easy to talk to) | Synonyms: affability, amiability, amiableness, bonhomie, geniality |
|---|
| affiliate | (noun) a subsidiary or subordinate organization that is affiliated with another organization | - |
|---|
| (noun) a subordinate or subsidiary associate; a person who is affiliated with another or with an organization | - |
| affiliation | (noun) the act of becoming formally connected or joined | - |
|---|
| (noun) a social or business relationship | Synonyms: association, tie-up, tie |
| afflatus | (noun) a strong creative impulse; divine inspiration | - |
|---|
| affliction | (noun) a cause of great suffering and distress | - |
|---|
| (noun) a condition of suffering or distress due to ill health | - |
| (noun) a state of great suffering and distress due to adversity | - |
| affluence | (noun) abundant wealth | Synonyms: richness |
|---|
| affluent | (noun) a branch that flows into the main stream | Synonyms: confluent, feeder, tributary |
|---|
| (noun) an affluent person; a person who is financially well off | - |
| affluenza | (noun) an inability to understand the consequences of one's actions because of financial privilege | - |
|---|
| aflatoxin | (noun) a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon | - |
|---|
| afterglow | (noun) the pleasure of remembering some pleasant event | - |
|---|
| (noun) a glow sometimes seen in the sky after sunset | - |
| afterlife | (noun) life after death | Synonyms: hereafter |
|---|
| afterworld | (noun) the place where you are after you die | - |
|---|
| agal | (noun) a cord (usually of goat's hair) that Arabs (especially Bedouins) wind around their heads to hold down the kaffiyeh | - |
|---|
| agalactia | (noun) a condition in which milk is not secreted in the mother's breasts after her child has been delivered | Synonyms: agalactosis |
|---|
| agalactosis | (noun) a condition in which milk is not secreted in the mother's breasts after her child has been delivered | Synonyms: agalactia |
|---|
| agammaglobulinemia | (noun) a rare immunological disorder characterized by the virtual absence of gamma globulin in the blood and consequent susceptibility to infection | - |
|---|
| agelessness | (noun) the quality of being timeless and eternal | - |
|---|
| agglomerate | (noun) a collection of objects laid on top of each other | Synonyms: cumulation, cumulus, heap, mound, pile |
|---|
| (noun) volcanic rock consisting of large fragments fused together | - |
| agglomeration | (noun) the act of collecting in a mass; the act of agglomerating | - |
|---|
| (noun) a jumbled collection or mass | - |
| agglomerator | (noun) a device that causes material to gather into rounded balls | - |
|---|
| agglutination | (noun) the building of words from component morphemes that retain their form and meaning in the process of combining | - |
|---|
| (noun) a clumping of bacteria or red cells when held together by antibodies (agglutinins) | - |
| (noun) the coalescing of small particles that are suspended in solution; these larger masses are then (usually) precipitated | Synonyms: agglutinating activity |
| agglutinin | (noun) an antibody that causes agglutination of a specific antigen | - |
|---|
| agglutinogen | (noun) any substance that acts as an antigen to cause agglutinin production | - |
|---|
| agility | (noun) the gracefulness of a person or animal that is quick and nimble | Synonyms: legerity, lightness, lightsomeness, nimbleness |
|---|
| aglet | (noun) ornamental tagged cord or braid on the shoulder of a uniform | Synonyms: aiglet, aiguillette |
|---|
| (noun) metal or plastic sheath over the end of a shoelace or ribbon | Synonyms: aiglet |
| agnail | (noun) a loose narrow strip of skin near the base of a fingernail; tearing it produces a painful sore that is easily infected | Synonyms: hangnail |
|---|
| agranulocytosis | (noun) an acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytes | Synonyms: agranulosis, granulocytopenia |
|---|
| agranulosis | (noun) an acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytes | Synonyms: agranulocytosis, granulocytopenia |
|---|
| agreeability | (noun) a temperamental disposition to be agreeable | Synonyms: agreeableness |
|---|
| agreeableness | (noun) a temperamental disposition to be agreeable | Synonyms: agreeability |
|---|
| (noun) pleasantness resulting from agreeable conditions | Synonyms: amenity |
| agriculturalist | (noun) someone concerned with the science or art or business of cultivating the soil | Synonyms: agriculturist, cultivator, grower, raiser |
|---|
| agriculture | (noun) the practice of cultivating the land or raising stock | Synonyms: farming, husbandry |
|---|
| (noun) a large-scale farming enterprise | Synonyms: agribusiness, factory farm |
| (noun) the class of people engaged in growing food | - |