| alkylbenzenesulfonate | (noun) sulfonate of alkyl benzene | - |
|---|
| allmouth | (noun) fishes having large mouths with a wormlike filament attached for luring prey | Synonyms: angler, angler fish, anglerfish, goosefish, Lophius Americanus, lotte, monkfish |
|---|
| allocution | (noun) (rhetoric) a formal or authoritative address that advises or exhorts | - |
|---|
| allopurinol | (noun) a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid | Synonyms: Zyloprim |
|---|
| allosaur | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaurus |
|---|
| allosaurus | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaur |
|---|
| allure | (noun) the power to entice or attract through personal charm | Synonyms: allurement, temptingness |
|---|
| allurement | (noun) the act of enticing a person to do something wrong (as an offer of sex in return for money) | Synonyms: solicitation |
|---|
| (noun) the power to entice or attract through personal charm | Synonyms: allure, temptingness |
| (noun) attractiveness | - |
| allusion | (noun) passing reference or indirect mention | - |
|---|
| allusiveness | (noun) a quality characterized by indirect reference | - |
|---|
| alluviation | (noun) the phenomenon of sediment or gravel accumulating | Synonyms: deposit, sedimentation |
|---|
| alluvion | (noun) clay or silt or gravel carried by rushing streams and deposited where the stream slows down | Synonyms: alluvial deposit, alluvial sediment, alluvium |
|---|
| (noun) the rising of a body of water and its overflowing onto normally dry land | Synonyms: deluge, flood, inundation |
| (noun) gradual formation of new land, by recession of the sea or deposit of sediment | - |
| alluvium | (noun) clay or silt or gravel carried by rushing streams and deposited where the stream slows down | Synonyms: alluvial deposit, alluvial sediment, alluvion |
|---|
| alphanumerics | (noun) a character set that includes letters and digits and punctuation | Synonyms: alphanumeric characters |
|---|
| alphavirus | (noun) an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses | - |
|---|
| altazimuth | (noun) an instrument that measures the altitude and azimuth of celestial bodies; used in navigation | - |
|---|
| altitude | (noun) elevation especially above sea level or above the earth's surface | Synonyms: height |
|---|
| (noun) angular distance above the horizon (especially of a celestial object) | Synonyms: ALT, EL, elevation |
| (noun) the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel) | - |
| altocumulus | (noun) a cumulus cloud at an intermediate altitude of 2 or 3 miles | Synonyms: altocumulus cloud |
|---|
| altostratus | (noun) a stratus cloud at an intermediate altitude of 2 or 3 miles | Synonyms: altostratus cloud |
|---|
| altruism | (noun) the quality of unselfish concern for the welfare of others | Synonyms: selflessness |
|---|
| altruist | (noun) someone who makes charitable donations intended to increase human well-being | Synonyms: philanthropist |
|---|
| alula | (noun) tuft of small stiff feathers on the first digit of a bird's wing | Synonyms: bastard wing, spurious wing |
|---|
| (noun) scalelike structure between the base of the wing and the halter of a two-winged fly | Synonyms: calypter |
| alum | (noun) a double sulphate of aluminum and potassium that is used as an astringent (among other things) | - |
|---|
| (noun) a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum | Synonyms: potash alum, potassium alum |
| (noun) a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum | Synonyms: ammonia alum, ammonium alum |
| (noun) a person who has received a degree from a school (high school or college or university) | Synonyms: grad, graduate |
| alumbloom | (noun) any of several herbs of the genus Heuchera | Synonyms: alumroot |
|---|
| alumina | (noun) any of various forms of aluminum oxide occurring naturally as corundum | Synonyms: aluminium oxide, aluminum oxide |
|---|
| aluminate | (noun) a compound of alumina and a metallic oxide | - |
|---|
| aluminium | (noun) a silvery ductile metallic element found primarily in bauxite | Synonyms: Al, aluminum, atomic number 13 |
|---|
| aluminum | (noun) a silvery ductile metallic element found primarily in bauxite | Synonyms: Al, aluminium, atomic number 13 |
|---|
| alumna | (noun) a female person who has received a degree from a school (high school or college or university) | - |
|---|
| alumnus | (noun) a male person who has received a degree from a school (high school or college or university) | - |
|---|
| alumroot | (noun) any of several herbs of the genus Heuchera | Synonyms: alumbloom |
|---|
| alundum | (noun) a substance made of fused alumina | - |
|---|
| alveolus | (noun) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways | Synonyms: air cell, air sac |
|---|
| (noun) a bony socket in the alveolar ridge that holds a tooth | Synonyms: tooth socket |
| alyssum | (noun) any garden plant of the genus Alyssum having clusters of small yellow or white flowers | Synonyms: madwort |
|---|
| amanuensis | (noun) someone skilled in the transcription of speech (especially dictation) | Synonyms: shorthand typist, stenographer |
|---|
| amateur | (noun) someone who pursues a study or sport as a pastime | - |
|---|
| (noun) an athlete who does not play for pay | - |
| amateurishness | (noun) something that demonstrates a lack of professional competency | - |
|---|
| amateurism | (noun) the conviction that people should participate in sports as a hobby (for the fun of it) rather than for money | - |
|---|
| amatungulu | (noun) very large closely branched South African shrub having forked bright green spines and shiny leaves | Synonyms: Carissa grandiflora, Carissa macrocarpa, natal plum |
|---|
| amaurosis | (noun) partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain | - |
|---|
| ambidextrousness | (noun) the property of being equally skillful with each hand | Synonyms: ambidexterity |
|---|
| ambiguity | (noun) unclearness by virtue of having more than one meaning | Synonyms: equivocalness |
|---|
| (noun) an expression whose meaning cannot be determined from its context | - |
| ambitiousness | (noun) a strong drive for success | Synonyms: ambition |
|---|
| ambulacrum | (noun) one of the five areas on the undersurface of an echinoderm on which the tube feet are located | - |
|---|
| ambulance | (noun) a vehicle that takes people to and from hospitals | - |
|---|
| ambulation | (noun) walking about | - |
|---|
| ambulatory | (noun) a covered walkway (as in a cloister) | - |
|---|
| ambuscade | (noun) the act of concealing yourself and lying in wait to attack by surprise | Synonyms: ambush, lying in wait, trap |
|---|
| ambush | (noun) the act of concealing yourself and lying in wait to attack by surprise | Synonyms: ambuscade, lying in wait, trap |
|---|
| ambusher | (noun) an attacker who waits in a concealed position to launch a surprise attack | - |
|---|
| americium | (noun) a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms | Synonyms: Am, atomic number 95 |
|---|
| aminoaciduria | (noun) abnormal presence of amino acids in the urine; usually a symptom of metabolic defects | - |
|---|
| ammobium | (noun) any plant of the genus Ammobium having yellow flowers and silvery foliage | - |
|---|
| ammonium | (noun) the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion | Synonyms: ammonium ion |
|---|
| ammoniuria | (noun) excessive ammonia in the urine | - |
|---|
| ammunition | (noun) projectiles to be fired from a gun | Synonyms: ammo |
|---|
| (noun) information that can be used to attack or defend a claim or argument or viewpoint | - |
| (noun) any nuclear or chemical or biological material that can be used as a weapon of mass destruction | - |
| amorousness | (noun) a feeling of love or fondness | Synonyms: enamoredness |
|---|
| (noun) the arousal of feelings of sexual desire | Synonyms: amativeness, eroticism, erotism, sexiness |
| amorphophallus | (noun) any plant of the genus Amorphophallus | - |
|---|
| amount | (noun) how much there is or how many there are of something that you can quantify | Synonyms: measure, quantity |
|---|
| (noun) the relative magnitude of something with reference to a criterion | - |
| (noun) a quantity obtained by the addition of a group of numbers | Synonyms: sum, total |
| (noun) a quantity of money | Synonyms: amount of money, sum, sum of money |
| amour | (noun) a usually secretive or illicit sexual relationship | Synonyms: affair, affaire, intimacy, involvement, liaison |
|---|
| amphioxus | (noun) small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates | Synonyms: lancelet |
|---|
| amphiuma | (noun) aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States | Synonyms: blind eel, congo eel, congo snake |
|---|
| amplitude | (noun) greatness of magnitude | - |
|---|
| (noun) the property of copious abundance | Synonyms: bountifulness, bounty |
| (noun) (physics) the maximum displacement of a periodic wave | - |
| ampoule | (noun) a small bottle that contains a drug (especially a sealed sterile container for injection by needle) | Synonyms: ampul, ampule, phial, vial |
|---|
| ampul | (noun) a small bottle that contains a drug (especially a sealed sterile container for injection by needle) | Synonyms: ampoule, ampule, phial, vial |
|---|
| ampule | (noun) a small bottle that contains a drug (especially a sealed sterile container for injection by needle) | Synonyms: ampoule, ampul, phial, vial |
|---|
| ampulla | (noun) a flask that has two handles; used by Romans for wines or oils | - |
|---|
| (noun) the dilated portion of a canal or duct especially of the semicircular canals of the ear | - |
| amputation | (noun) a surgical removal of all or part of a limb | - |
|---|
| (noun) a condition of disability resulting from the loss of one or more limbs | - |
| amputator | (noun) a surgeon who removes part or all of a limb | - |
|---|
| amputee | (noun) someone who has had a limb removed by amputation | - |
|---|
| amulet | (noun) a trinket or piece of jewelry usually hung about the neck and thought to be a magical protection against evil or disease | Synonyms: talisman |
|---|
| amusement | (noun) an activity that is diverting and that holds the attention | Synonyms: entertainment |
|---|
| (noun) a feeling of delight at being entertained | - |
| amylum | (noun) a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles | Synonyms: starch |
|---|
| anacoluthia | (noun) an abrupt change within a sentence from one syntactic structure to another | Synonyms: anacoluthon |
|---|
| anacoluthon | (noun) an abrupt change within a sentence from one syntactic structure to another | Synonyms: anacoluthia |
|---|
| analbuminemia | (noun) an abnormally low level of albumin in the blood serum | - |
|---|
| analogue | (noun) something having the property of being analogous to something else | Synonyms: analog, parallel |
|---|
| anchusa | (noun) any of various Old World herbs of the genus Anchusa having one-sided clusters of trumpet-shaped flowers | - |
|---|
| androecium | (noun) a male gametoecium | - |
|---|
| anestrum | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrus, anoestrum, anoestrus |
|---|
| anestrus | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrum, anoestrum, anoestrus |
|---|
| aneuploidy | (noun) an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete) | - |
|---|
| aneurin | (noun) a B vitamin that prevents beriberi; maintains appetite and growth | Synonyms: antiberiberi factor, thiamin, thiamine, vitamin B1 |
|---|
| aneurism | (noun) a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall | Synonyms: aneurysm |
|---|
| aneurysm | (noun) a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall | Synonyms: aneurism |
|---|
| angelique | (noun) any of various tall and stout herbs of the genus Angelica having pinnately compound leaves and small white or greenish flowers in compound umbels | Synonyms: angelica |
|---|
| angelus | (noun) the sound of a bell rung in Roman Catholic churches to announce the time when the Angelus should be recited | Synonyms: angelus bell |
|---|
| angostura | (noun) the bitter bark of a South American tree; used in medicines and liqueurs and bitters | Synonyms: angostura bark |
|---|
| angrecum | (noun) any of various spectacular orchids of the genus Angraecum having dark green leathery leaves and usually nocturnally scented white or ivory flowers | - |
|---|
| anguish | (noun) extreme mental distress | Synonyms: torment, torture |
|---|
| (noun) extreme distress of body or mind | - |
| angularity | (noun) the property possessed by a shape that has angles | - |
|---|
| (noun) a shape having one or more sharp angles | Synonyms: angular shape |
| angulation | (noun) the act of making angulate (having corners) | - |
|---|
| (noun) the precise measurement of angles | - |
| animalcule | (noun) microscopic organism such as an amoeba or paramecium | Synonyms: animalculum |
|---|
| animalculum | (noun) microscopic organism such as an amoeba or paramecium | Synonyms: animalcule |
|---|
| animus | (noun) a feeling of ill will arousing active hostility | Synonyms: animosity, bad blood |
|---|
| anjou | (noun) a pear with firm flesh and a green skin | - |
|---|
| ankus | (noun) an elephant goad with a sharp spike and a hook | - |
|---|
| ankylosaur | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaurus |
|---|
| ankylosaurus | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaur |
|---|
| announcement | (noun) a public statement containing information about an event that has happened or is going to happen | Synonyms: promulgation |
|---|
| (noun) a formal public statement | Synonyms: annunciation, declaration, proclamation |