| abfarad
|
(noun) a capacitance unit equal to one billion farads |
- |
|---|
| absurd
|
(noun) a situation in which life seems irrational and meaningless |
Synonyms:
the absurd |
|---|
| acarid
|
(noun) very small free-living arachnid that is parasitic on animals or plants; related to ticks |
- |
|---|
| accord
|
(noun) harmony of people's opinions or actions or characters |
Synonyms:
agreement |
|---|
| (noun) concurrence of opinion |
Synonyms:
conformity,
accordance |
| (noun) a written agreement between two states or sovereigns |
Synonyms:
pact,
treaty |
| (noun) sympathetic compatibility |
- |
| accused
|
(noun) a defendant in a criminal proceeding |
- |
|---|
| acetanilid
|
(noun) a solid odourless chemical of leaf or flake-like appearance; used in rubber accelerator, dye, and camphor synthesis; metabolised to paracetamol (acetaminophen) |
Synonyms:
phenylacetamide,
acetanilide |
|---|
| acid
|
(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 |
- |
|---|
| (noun) street name for lysergic acid diethylamide |
Synonyms:
Zen,
dose,
dot,
pane,
Elvis,
window pane,
superman,
back breaker,
battery-acid,
Lucy in the sky with diamonds,
loony toons |
| acridid
|
(noun) grasshopper with short antennae |
Synonyms:
short-horned grasshopper |
|---|
| actinoid
|
(noun) any of a series of radioactive elements with atomic numbers 89 through 103 |
Synonyms:
actinide,
actinon |
|---|
| actinopod
|
(noun) protozoa having stiff rodlike radiating pseudopods |
- |
|---|
| ad
|
(noun) a public promotion of some product or service |
Synonyms:
advertising,
advert,
advertisement,
advertizement,
advertizing |
|---|
| addend
|
(noun) a number that is added to another number (the augend) |
- |
|---|
| addlehead
|
(noun) a person with confused ideas; incapable of serious thought |
Synonyms:
loon,
addle-head,
birdbrain |
|---|
| adelgid
|
(noun) any of various insects that feed and form galls on conifers |
- |
|---|
| adenoid
|
(noun) a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx) |
Synonyms:
pharyngeal tonsil,
third tonsil,
tonsilla adenoidea,
tonsilla pharyngealis,
Luschka's tonsil |
|---|
| adulthood
|
(noun) the period of time in your life after your physical growth has stopped and you are fully developed |
Synonyms:
maturity |
|---|
| (noun) the state (and responsibilities) of a person who has attained maturity |
- |
| afterworld
|
(noun) the place where you are after you die |
- |
|---|
| agamid
|
(noun) a lizard of the family Agamidae |
Synonyms:
agamid lizard |
|---|
| aged
|
(noun) people who are old collectively |
Synonyms:
elderly |
|---|
| agueweed
|
(noun) gentian of eastern North America having clusters of bristly blue flowers |
Synonyms:
Gentiana quinquefolia,
Gentianella quinquefolia,
stiff gentian,
ague weed,
five-flowered gentian |
|---|
| (noun) perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine |
Synonyms:
Eupatorium perfoliatum,
boneset,
thoroughwort |
| aid
|
(noun) a person or thing that is a resource that helps make something easier or possible to do |
Synonyms:
help,
assistance |
|---|
| (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose |
Synonyms:
help,
assist,
assistance |
| (noun) gift of money or other material help to support a person or cause |
Synonyms:
assistance,
economic aid,
economic assistance,
financial aid,
financial assistance |
| (noun) the work of providing treatment for or attending to someone or something |
Synonyms:
care,
attention,
tending |
| airfield
|
(noun) a place where planes take off and land |
Synonyms:
field,
flying field,
landing field |
|---|
| airhead
|
(noun) a flighty scatterbrained simpleton |
- |
|---|
| (noun) a bridgehead seized by airborne troops |
- |
| airspeed
|
(noun) the speed of an aircraft relative to the air in which it is flying |
- |
|---|
| albuminoid
|
(noun) a simple protein found in horny and cartilaginous tissues and in the lens of the eye |
Synonyms:
scleroprotein |
|---|
| alidad
|
(noun) surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments |
Synonyms:
alidade |
|---|
| (noun) surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles |
Synonyms:
alidade |
| alkaloid
|
(noun) natural bases containing nitrogen found in plants |
- |
|---|
| alkyd
|
(noun) a durable synthetic resin widely used in adhesives and paints |
Synonyms:
alkyd resin |
|---|
| allgood
|
(noun) European plant naturalized in North America; often collected from the wild as a potherb |
Synonyms:
wild spinach,
good-king-henry,
Chenopodium bonus-henricus,
fat hen |
|---|
| almond
|
(noun) small bushy deciduous tree native to Asia and North Africa having pretty pink blossoms and highly prized edible nuts enclosed in a hard green hull; cultivated in southern Australia and California |
Synonyms:
Prunus amygdalus,
Prunus dulcis,
sweet almond,
Amygdalus communis |
|---|
| (noun) oval-shaped edible seed of the almond tree |
- |
| ambystomid
|
(noun) small to moderate-sized terrestrial or semiaquatic New World salamander |
Synonyms:
ambystomid salamander |
|---|
| ammonoid
|
(noun) one of the coiled chambered fossil shells of extinct mollusks |
Synonyms:
ammonite |
|---|
| ampersand
|
(noun) a punctuation mark (&) used to represent conjunction (and) |
- |
|---|
| amphidiploid
|
(noun) (genetics) an organism or cell having a diploid set of chromosomes from each parent |
- |
|---|
| amphipod
|
(noun) a kind of malacostracan crustacean |
- |
|---|
| amygdaloid
|
(noun) volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits |
- |
|---|
| amyloid
|
(noun) a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch |
- |
|---|
| (noun) (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue |
- |
| analysand
|
(noun) a person undergoing psychoanalysis |
- |
|---|
| anapsid
|
(noun) primitive reptile having no opening in the temporal region of the skull; all extinct except turtles |
Synonyms:
anapsid reptile |
|---|
| anaspid
|
(noun) extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian |
- |
|---|
| andrenid
|
(noun) a bee that is a member of the genus Andrena |
Synonyms:
mining bee,
andrena |
|---|
| android
|
(noun) an automaton that resembles a human being |
Synonyms:
humanoid,
mechanical man |
|---|
| (noun) An operating system from Google for mobile devices |
- |
| aneroid
|
(noun) a barometer that measures pressure without using fluids |
Synonyms:
aneroid barometer |
|---|
| aniseed
|
(noun) liquorice-flavored seeds, used medicinally and in cooking and liquors |
Synonyms:
anise,
anise seed |
|---|
| annelid
|
(noun) worms with cylindrical bodies segmented both internally and externally |
Synonyms:
segmented worm,
annelid worm |
|---|
| antacid
|
(noun) an agent that counteracts or neutralizes acidity (especially in the stomach) |
Synonyms:
gastric antacid,
alkaliser,
alkalizer,
antiacid |
|---|
| antbird
|
(noun) any of various dull-colored South American birds that feeding on ants some following army ant swarms |
Synonyms:
ant bird |
|---|
| antherozoid
|
(noun) a motile male gamete of a plant such as an alga or fern or gymnosperm |
Synonyms:
spermatozoid |
|---|
| anthropoid
|
(noun) person who resembles a nonhuman primate |
Synonyms:
ape |
|---|
| (noun) any member of the suborder Anthropoidea including monkeys and apes and hominids |
- |
| antiacid
|
(noun) an agent that counteracts or neutralizes acidity (especially in the stomach) |
Synonyms:
gastric antacid,
alkaliser,
alkalizer,
antacid |
|---|
| aoudad
|
(noun) wild sheep of northern Africa |
Synonyms:
maned sheep,
Ammotragus lervia,
arui,
audad,
Barbary sheep |
|---|
| apartheid
|
(noun) a social policy or racial segregation involving political and economic and legal discrimination against people who are not Whites; the former official policy in South Africa |
- |
|---|
| aphid
|
(noun) any of various small plant-sucking insects |
- |
|---|
| applewood
|
(noun) wood of any of various apple trees of the genus Malus |
- |
|---|
| arachnid
|
(noun) air-breathing arthropods characterized by simple eyes and four pairs of legs |
Synonyms:
arachnoid |
|---|
| arachnoid
|
(noun) the middle of the 3 meninges |
Synonyms:
arachnoid membrane |
|---|
| (noun) air-breathing arthropods characterized by simple eyes and four pairs of legs |
Synonyms:
arachnid |
| archiannelid
|
(noun) small primitive marine worm lacking external segmentation and resembling polychaete larvae |
- |
|---|
| arcsecond
|
(noun) a 60th part of a minute of arc |
Synonyms:
second |
|---|
| arctiid
|
(noun) stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars |
Synonyms:
arctiid moth |
|---|
| ard
|
(noun) a simple light plough without a mouldboard. |
Synonyms:
scratch plough,
ard plough |
|---|
| argasid
|
(noun) tick lacking a dorsal shield and having mouth parts on the under side of the head |
Synonyms:
soft tick |
|---|
| armband
|
(noun) worn around arm as identification or to indicate mourning |
- |
|---|
| (noun) a band worn around the upper arm |
- |
| armguard
|
(noun) a protective covering for the wrist or arm that is used in archery and fencing and other sports |
Synonyms:
bracer |
|---|
| aroid
|
(noun) any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe |
Synonyms:
arum |
|---|
| arrowhead
|
(noun) the pointed head or striking tip of an arrow |
- |
|---|
| arthropod
|
(noun) invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin |
- |
|---|
| arytaenoid
|
(noun) either of two small cartilages at the back of the larynx to which the vocal folds are attached |
Synonyms:
arytenoid,
arytenoid cartilage |
|---|
| arytenoid
|
(noun) either of two small cartilages at the back of the larynx to which the vocal folds are attached |
Synonyms:
arytaenoid,
arytenoid cartilage |
|---|
| asclepiad
|
(noun) any plant of the family Asclepiadaceae |
- |
|---|
| asteroid
|
(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) |
- |
|---|
| athodyd
|
(noun) a simple type of jet engine; must be launched at high speed |
Synonyms:
ramjet,
ramjet engine,
atherodyde,
flying drainpipe |
|---|
| attosecond
|
(noun) one quintillionth (10^-18) of a second; one thousandth of a femtosecond |
- |
|---|
| audad
|
(noun) wild sheep of northern Africa |
Synonyms:
maned sheep,
Ammotragus lervia,
aoudad,
arui,
Barbary sheep |
|---|
| augend
|
(noun) a number to which another number (the addend) is added |
- |
|---|
| autacoid
|
(noun) any physiologically active internal secretion especially one of uncertain classification |
Synonyms:
autocoid |
|---|
| autocoid
|
(noun) any physiologically active internal secretion especially one of uncertain classification |
Synonyms:
autacoid |
|---|
| award
|
(noun) a grant made by a law court |
Synonyms:
awarding |
|---|
| (noun) a tangible symbol signifying approval or distinction |
Synonyms:
honor,
honour,
accolade,
laurels |
| (noun) something given for victory or superiority in a contest or competition or for winning a lottery |
Synonyms:
prize |
| axseed
|
(noun) European herb resembling vetch; naturalized in the eastern United States; having umbels of pink-and-white flowers and sharp-angled pods |
Synonyms:
Coronilla varia,
crown vetch |
|---|
| babyhood
|
(noun) the early stage of growth or development |
Synonyms:
infancy,
early childhood |
|---|
| (noun) the earliest state of immaturity |
Synonyms:
infancy |
| bachelorhood
|
(noun) the time of a man's life prior to marriage |
- |
|---|
| (noun) the state of being an unmarried man |
- |
| backband
|
(noun) a broad band that passes over the back of a horse and supports the shafts of a vehicle |
- |
|---|
| backbend
|
(noun) an acrobatic feat in which the trunk is bent backward from a standing position until the hands touch the floor |
- |
|---|
| backboard
|
(noun) a raised vertical board with basket attached; used to play basketball |
Synonyms:
basketball backboard |
|---|
| (noun) a board used to support the back of someone or something |
- |
| backfield
|
(noun) the offensive football players who line up behind the linemen |
- |
|---|
| background
|
(noun) a person's social heritage: previous experience or training |
- |
|---|
| (noun) the part of a scene (or picture) that lies behind objects in the foreground |
Synonyms:
ground |
| (noun) information that is essential to understanding a situation or problem |
Synonyms:
background knowledge |
| (noun) extraneous signals that can be confused with the phenomenon to be observed or measured |
Synonyms:
background signal |
| (noun) relatively unimportant or inconspicuous accompanying situation |
- |
| (noun) the state of the environment in which a situation exists |
Synonyms:
setting,
scope |
| (noun) (computer science) the area of the screen in graphical user interfaces against which icons and windows appear |
Synonyms:
desktop,
screen background |
| (noun) scenery hung at back of stage |
Synonyms:
backcloth,
backdrop |
| backhand
|
(noun) a return made with the back of the hand facing the direction of the stroke |
Synonyms:
backhand shot,
backhand stroke |
|---|
| backsword
|
(noun) a stick used instead of a sword for fencing |
Synonyms:
singlestick,
fencing stick |
|---|
| (noun) a sword with only one cutting edge |
- |
| backyard
|
(noun) the grounds in back of a house |
- |
|---|
| bacteroid
|
(noun) a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants) |
- |
|---|
| bad
|
(noun) that which is below standard or expectations as of ethics or decency |
Synonyms:
badness |
|---|
| baffled
|
(noun) people who are frustrated and perplexed |
- |
|---|
| baldhead
|
(noun) a person whose head is bald or shaved |
Synonyms:
skin,
baldpate,
skinhead,
baldy |
|---|
| ballad
|
(noun) a narrative song with a recurrent refrain |
Synonyms:
lay |
|---|
| (noun) a narrative poem of popular origin |
Synonyms:
lay |
| band
|
(noun) an unofficial association of people or groups |
Synonyms:
lot,
set,
circle |
|---|
| (noun) instrumentalists not including string players |
- |
| (noun) a stripe or stripes of contrasting color |
Synonyms:
banding,
stria,
striation |
| (noun) an adornment consisting of a strip of a contrasting color or material |
Synonyms:
stripe,
banding |
| (noun) a group of musicians playing popular music for dancing |
Synonyms:
dance band,
dance orchestra |
| (noun) a range of frequencies between two limits |
- |
| (noun) a thin flat strip of flexible material that is worn around the body or one of the limbs (especially to decorate the body) |
- |
| (noun) a cord-like tissue connecting two larger parts of an anatomical structure |
Synonyms:
isthmus |
| (noun) jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger |
Synonyms:
ring |
| (noun) a driving belt in machinery |
- |
| (noun) a thin flat strip or loop of flexible material that goes around or over something else, typically to hold it together or as a decoration |
- |
| (noun) a strip of material attached to the leg of a bird to identify it (as in studies of bird migration) |
Synonyms:
ring |
| (noun) a restraint put around something to hold it together |
- |
| bandstand
|
(noun) a platform where a (brass) band can play in the open air |
Synonyms:
stand,
outdoor stage |
|---|
| bard
|
(noun) a lyric poet |
- |
|---|
| (noun) an ornamental caparison for a horse |
- |
| barmaid
|
(noun) a female bartender |
- |
|---|
| barnyard
|
(noun) a yard adjoining a barn |
- |
|---|
| baseboard
|
(noun) a molding covering the joint formed by a wall and the floor |
Synonyms:
mopboard,
skirting board |
|---|
| basswood
|
(noun) soft light-colored wood of any of various linden trees; used in making crates and boxes and in carving and millwork |
Synonyms:
linden |
|---|
| (noun) any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber |
Synonyms:
lime,
lime tree,
linden,
linden tree |