| basalt | (noun) the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene | - |
|---|
| bascule | (noun) a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw) | - |
|---|
| base | (noun) a support or foundation | Synonyms: pedestal, stand |
|---|
| (noun) lowest support of a structure | Synonyms: foot, foundation, fundament, groundwork, substructure, understructure |
| (noun) a place that the runner must touch before scoring | Synonyms: bag |
| (noun) (electronics) the part of a transistor that separates the emitter from the collector | - |
| (noun) installation from which a military force initiates operations | Synonyms: base of operations |
| (noun) a flat bottom on which something is intended to sit | - |
| (noun) the stock of basic facilities and capital equipment needed for the functioning of a country or area | Synonyms: infrastructure |
| (noun) the principal ingredient of a mixture | - |
| (noun) the fundamental assumptions from which something is begun or developed or calculated or explained | Synonyms: basis, cornerstone, foundation, fundament, groundwork |
| (noun) (linguistics) the form of a word after all affixes are removed | Synonyms: radical, root, root word, stem, theme |
| (noun) a lower limit | Synonyms: floor |
| (noun) (anatomy) the part of an organ nearest its point of attachment | - |
| (noun) the place where you are stationed and from which missions start and end | Synonyms: home |
| (noun) the bottom or lowest part | - |
| (noun) (numeration system) the positive integer that is equivalent to one in the next higher counting place | Synonyms: radix |
| (noun) the most important or necessary part of something | Synonyms: basis |
| (noun) the bottom side of a geometric figure from which the altitude can be constructed | - |
| (noun) any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Synonyms: alkali |
| (noun) a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) | Synonyms: nucleotide |
| baseball | (noun) a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs | Synonyms: ball, baseball game |
|---|
| (noun) a ball used in playing baseball | - |
| baseboard | (noun) a molding covering the joint formed by a wall and the floor | Synonyms: mopboard, skirting board |
|---|
| baseline | (noun) the lines a baseball player must follow while running the bases | - |
|---|
| (noun) the back line bounding each end of a tennis or handball court; when serving the server must not step over this line | Synonyms: service line |
| (noun) an imaginary line or standard by which things are measured or compared | - |
| basement | (noun) the lowermost portion of a structure partly or wholly below ground level; often used for storage | Synonyms: cellar |
|---|
| (noun) the ground floor facade or interior in Renaissance architecture | - |
| baseness | (noun) unworthiness by virtue of lacking higher values | Synonyms: contemptibility, despicability, despicableness, sordidness |
|---|
| basenji | (noun) small smooth-haired breed of African origin having a tightly curled tail and the inability to bark | - |
|---|
| bash | (noun) a vigorous blow | Synonyms: bang, belt, knock, smash |
|---|
| (noun) an uproarious party | Synonyms: brawl, do |
| bashfulness | (noun) feeling embarrassed due to modesty | Synonyms: abashment |
|---|
| basic | (noun) (usually in the plural) a necessary commodity for which demand is constant | Synonyms: staple |
|---|
| basics | (noun) principles from which other truths can be derived | Synonyms: basic principle, bedrock, fundamental principle, fundamentals |
|---|
| (noun) a statement of fundamental facts or principles | Synonyms: rudiments |
| basidiocarp | (noun) the fruiting body of a basidiomycete which bears its spores on special cells | - |
|---|
| basidiolichen | (noun) a lichen in which the fungus component is a basidiomycete | - |
|---|
| basidiomycete | (noun) any of various fungi of the subdivision Basidiomycota | Synonyms: basidiomycetous fungi |
|---|
| basidiospore | (noun) a sexually produced fungal spore borne on a basidium | - |
|---|
| basidium | (noun) a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes | - |
|---|
| basil | (noun) leaves of the common basil; used fresh or dried | Synonyms: sweet basil |
|---|
| (noun) any of several Old World tropical aromatic annual or perennial herbs of the genus Ocimum | - |
| basileus | (noun) a ruler of the eastern Roman Empire | - |
|---|
| basilica | (noun) a Roman building used for public administration | Synonyms: Roman basilica |
|---|
| (noun) an early Christian church designed like a Roman basilica; or a Roman Catholic church or cathedral accorded certain privileges | - |
| basilisk | (noun) small crested arboreal lizard able to run on its hind legs; of tropical America | - |
|---|
| (noun) ancient brass cannon | - |
| (noun) (classical mythology) a serpent (or lizard or dragon) able to kill with its breath or glance | - |
| basin | (noun) a bowl-shaped vessel; usually used for holding food or liquids | - |
|---|
| (noun) a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face | Synonyms: lavatory, washbasin, washbowl, washstand |
| (noun) the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet | Synonyms: catchment area, catchment basin, drainage area, drainage basin, river basin, watershed |
| (noun) a natural depression in the surface of the land often with a lake at the bottom of it | - |
| (noun) the quantity that a basin will hold | Synonyms: basinful |
| basinet | (noun) a medieval steel helmet | - |
|---|
| basinful | (noun) the quantity that a basin will hold | Synonyms: basin |
|---|
| basis | (noun) the fundamental assumptions from which something is begun or developed or calculated or explained | Synonyms: base, cornerstone, foundation, fundament, groundwork |
|---|
| (noun) a relation that provides the foundation for something | Synonyms: footing, ground |
| (noun) the most important or necessary part of something | Synonyms: base |
| basket | (noun) a score in basketball made by throwing the ball through the hoop | Synonyms: field goal |
|---|
| (noun) a container that is usually woven and has handles | Synonyms: handbasket |
| (noun) horizontal circular metal hoop supporting a net through which players try to throw the basketball | Synonyms: basketball hoop, hoop |
| (noun) the quantity contained in a basket | Synonyms: basketful |
| basketball | (noun) a game played on a court by two opposing teams of 5 players; points are scored by throwing the ball through an elevated horizontal hoop | Synonyms: basketball game, hoops |
|---|
| (noun) an inflated ball used in playing basketball | - |
| basketeer | (noun) an athlete who plays basketball | Synonyms: basketball player, cager |
|---|
| basketful | (noun) the quantity contained in a basket | Synonyms: basket |
|---|
| basketmaker | (noun) someone skilled in weaving baskets | Synonyms: basketweaver |
|---|
| basketry | (noun) the craft of basket making | - |
|---|
| basketweaver | (noun) someone skilled in weaving baskets | Synonyms: basketmaker |
|---|
| basophil | (noun) a leukocyte with basophilic granules easily stained by basic stains | Synonyms: basophile |
|---|
| basophile | (noun) a leukocyte with basophilic granules easily stained by basic stains | Synonyms: basophil |
|---|
| basophilia | (noun) the tendency of cells to stain with basic dyes | - |
|---|
| bass | (noun) the member with the lowest range of a family of musical instruments | - |
|---|
| (noun) the lowest part of the musical range | - |
| (noun) the lowest adult male singing voice | Synonyms: bass voice, basso |
| (noun) the lowest part in polyphonic music | Synonyms: bass part |
| (noun) an adult male singer with the lowest voice | Synonyms: basso |
| (noun) nontechnical name for any of numerous edible marine and freshwater spiny-finned fishes | - |
| (noun) any of various North American freshwater fish with lean flesh (especially of the genus Micropterus) | Synonyms: freshwater bass |
| (noun) the lean flesh of a saltwater fish of the family Serranidae | Synonyms: sea bass |
| bassarisk | (noun) raccoon-like omnivorous mammal of Mexico and the southwestern United States having a long bushy tail with black and white rings | Synonyms: Bassariscus astutus, cacomistle, cacomixle, civet cat, coon cat, miner's cat, raccoon fox, ring-tailed cat, ringtail |
|---|
| basset | (noun) smooth-haired breed of hound with short legs and long ears | Synonyms: basset hound |
|---|
| bassine | (noun) coarse leaf fiber from palmyra palms used in making brushes and brooms | - |
|---|
| bassinet | (noun) a basket (usually hooded) used as a baby's bed | - |
|---|
| (noun) a perambulator that resembles a bassinet | - |
| bassist | (noun) a musician who play the bass viol | - |
|---|
| basso | (noun) the lowest adult male singing voice | Synonyms: bass, bass voice |
|---|
| (noun) an adult male singer with the lowest voice | Synonyms: bass |
| bassoon | (noun) a double-reed instrument; the tenor of the oboe family | - |
|---|
| bassoonist | (noun) a musician who plays the bassoon | - |
|---|
| basswood | (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 |
|---|
| (noun) soft light-colored wood of any of various linden trees; used in making crates and boxes and in carving and millwork | Synonyms: linden |
| bast | (noun) (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes | Synonyms: phloem |
|---|
| (noun) strong woody fibers obtained especially from the phloem of from various plants | Synonyms: bast fiber |
| bastard | (noun) derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin | Synonyms: mongrel |
|---|
| (noun) insulting terms of address for people who are stupid or irritating or ridiculous | Synonyms: asshole, cocksucker, dickhead, mother fucker, motherfucker, prick, shit, SOB, son of a bitch, whoreson |
| (noun) the illegitimate offspring of unmarried parents | Synonyms: by-blow, illegitimate, illegitimate child, love child, whoreson |
| bastardisation | (noun) an act that debases or corrupts | Synonyms: bastardization |
|---|
| bastardization | (noun) an act that debases or corrupts | Synonyms: bastardisation |
|---|
| (noun) declaring or rendering bastard | - |
| bastardy | (noun) the status of being born to parents who were not married | Synonyms: bar sinister, illegitimacy |
|---|
| baste | (noun) a loose temporary sewing stitch to hold layers of fabric together | Synonyms: basting, basting stitch, tacking |
|---|
| baster | (noun) a tube with a rubber bulb used to take up and release melted fat or gravy in order to moisten roasting meat | - |
|---|
| (noun) a sewer who fastens a garment with long loose stitches | Synonyms: tacker |
| (noun) a cook who bastes roasting meat with melted fat or gravy | - |
| bastille | (noun) a jail or prison (especially one that is run in a tyrannical manner) | - |
|---|
| bastinado | (noun) a form of torture in which the soles of the feet are beaten with whips or cudgels | Synonyms: falanga |
|---|
| (noun) a cudgel used to give someone a beating on the soles of the feet | - |
| basting | (noun) moistening a roast as it is cooking | - |
|---|
| (noun) a loose temporary sewing stitch to hold layers of fabric together | Synonyms: baste, basting stitch, tacking |
| bastion | (noun) projecting part of a rampart or other fortification | - |
|---|
| (noun) a stronghold into which people could go for shelter during a battle | Synonyms: citadel |
| (noun) a group that defends a principle | - |
| bastnaesite | (noun) a yellow-to-brown mineral that is a source of rare earth elements | Synonyms: bastnasite |
|---|
| bastnasite | (noun) a yellow-to-brown mineral that is a source of rare earth elements | Synonyms: bastnaesite |
|---|
| basuco | (noun) low-grade cocaine mixed with coca paste and cannabis | - |
|---|