Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Busuu An endangered or extinct language spoken in Cameroon. busuuti A gomesi. busway A right of way, roadway, or lane for the exclusive use of buses, possibly only during peak traffic hours. Buswell A surname. busy Crowded with business or activities; having a great deal going on. busybody Someone who interferes with others; one who is nosy, intrusive or meddlesome. busybodying The behaviour of a busybody; interference, meddlesomeness. busybodyish Like a busybody; interfering, meddling. busybodyism The behaviour of a busybody; interfering, meddling. busybodyness The quality of being a busybody. busying busyness; making oneself busy with something busyish Somewhat busy. busyness The state of being busy. but Apart from, except (for), excluding. butabarbital The United States Adopted Name of secbutabarbital. butacaine A local anesthetic. butachlor An acetanilide herbicide. butaclamol An antipsychotic drug used only in research. butadiene An unsaturated hydrocarbon, CH₂=CH-CH=CH₂; it is obtained from petroleum and is used in the preparation of the synthetic rubber polybutadiene. butadienoate Any salt or ester of butadienoic acid butadienyl Any substituent derived from butadiene butadienylation reaction with butadiene butadione The diketone CH₃-CO-CO-CH₃ that is used in organic synthesis butadiyne diacetylene butadiynyl The univalent radical HC≡C-C≡C- derived from butadiyne butadon A Japanese dish consisting of a bowl of rice topped with braised or grilled pork; pork donburi. butafosfan An organic phosphorus compound used as a drug in animals. butagest A steroidal progestin which was developed in Russia for potential clinical use as a progesterone supplement primarily for Hormone replacement therapy. Butala A surname. butalamine A vasodilator drug. butalbital A barbiturate drug. butalene A bicyclic aromatic hydrocarbon composed of two cyclobutadiene rings butamben A local anesthetic, the ester of 4-aminobenzoic acid and butanol. butamirate A particular cough suppressant. butamisole An anthelminthic drug. butamoxane An adrenergic antagonist. butanal butyraldehyde butanamide butyramide butane A hydrocarbon (either of the two isomers of C₄H₁₀, n-butane and 2-methylpropane) found in gaseous petroleum fractions. butanediamide succinamide butanedinitrile Succinonitrile. butanediol Any of four isomeric diols derived from butane. butanedione The simplest diketone CH₃-CO-CO-CH₃, used as an aroma agent; and derivative of this compound butanethiol The thiol, derived from butane, that is the sulfur equivalent of butanol; it is partly responsible for the smell of skunk butanilicaine An anesthetic. butanoate Any salt or ester of butanoic acid butanoic Of or pertaining to butanoic acid or its derivatives butanol butan-1-ol or n-butanol or butyl alcohol - CH₃(CH₂)₃-OH butanolate butoxide butanolide The cyclic lactone derived from 4-hydroxybutanoic acid; any of its derivatives butanone A simple aliphatic ketone, CH₃CH₂COCH₃, prepared industrially as a solvent, for use in the manufacture of paints, parts cleaning, and other tasks. butanoyl A univalent radical derived from butanoic acid butanoylation A reaction that introduces a butanoyl group into a molecule butanserin A particular alpha-adrenergic blocking drug. butantrone An anthraquinone compound. butaperazine A typical antipsychotic of the phenothiazine class. butaprost A prostaglandin analogue. Butaritari An atoll in Kiribati. butaxamine A β2-selective beta blocker used in certain experimental situations but not clinically. butch Very masculine, with a masculine appearance or attitude. butcha The young of any animal. Butchart A surname. butcher A person who prepares and sells meat (and sometimes also slaughters the animals). butcherbird Any of the magpie-like birds in the genus Cracticus, of Australia and New Guinea. butcherdom The condition or trade of a butcher. butchered Taken apart professionally, as a butcher might. butcherer One who butchers; a brutal or indiscriminate killer. butcheress A female butcher (dealer in meat). butchering Dismemberment of animals as food. butcherless Without a butcher. butcherlike Resembling or characteristic of a butcher. butcherliness The quality of being butcherly. butcherly Like a butcher; characterised by slaughter, savage. butcherous Involving butchery, or violent bloodshed. butchershop A store that sells meat. butchery The butchering of meat. butchiness butchness butching The trade of a butcher. Butchlander The ship (romantic pairing) between archenemies Billy Butcher and Homelander from The Boys. butchly In a butch manner. butchness The quality of being butch. butchphobia The dislike or hatred of butch women. butchy Like or characteristic of a butch. bute Phenylbutazone. Buteau A surname from French. Butembo A city in the northeastern Democratic Republic of the Congo. butenafine A synthetic benzylamine antifungal drug. butenal crotonaldehyde butene Any of several forms of butylene. butenedione Any diketone derived from a butene Buteni A commune and village in Arad County, Romania. butenoate Any salt or ester of butenoic acid; crotonate butenoic Of or pertaining to butenoic acid or its derivatives butenol Any of several isomeric alcohols derived from a butene, but especially crotyl alcohol butenolide The cyclic lactone derived from 4-hydroxybut-2-enoic acid (one of the isomers of furanone); any of its derivatives butenone The unsaturated aliphatic ketone but-3-en-2-one CH₂=CH-CO-CH₃ butenoyl a functional group consisting of a butene chain with an attached carbonyl group, or a compound that contains such a functional group. butenyl Any of several isomeric univalent radicals derived from butene; but especially crotyl butenylidene Any of four isomeric divalent radicals derived from a butene butenyne Synonym of vinylacetylene. buteo Any of the broad-winged soaring raptors of the genus Buteo. buteonine Any bird in the accipitrid subfamily Buteoninae Butera A surname from Italian. Buterbaugh A surname. Buterin A surname from Russian. buterol Synonym of butagest Buteshire Synonym of Bute: a historical county of Scotland. butethal butobarbital butethamine A particular local anesthetic Butetown A suburban area and community in the City of Cardiff, Wales (OS grid ref ST1875). Buth A surname. buthalital A barbiturate derivative which was under development as a short-acting anesthetic. buthid Any scorpion in the family Buthidae. buthiobate A particular fungicide. buthionine An amino acid whose sulfoximine is used in chemotherapy Butiaba A town on Lake Albert, in the Western Region of Uganda. butibufen A nonsteroidal anti-inflammatory drug. butidrine An adrenergic antagonist. Butig A municipality of Lanao del Sur, Philippines. butikacin A semisynthetic aminoglycoside antibiotic, C₂₂H₄₅N₅O₁₂ which produces similar levels of cochleotoxicity to that of kanamycin A in guinea pigs. butilfenin A diagnostic reagent. Butin A surname. butinazocine An opioid analgesic of the benzomorphan family, never marketed. Buting A barangay of Pasig, Metro Manila, Philippines. butinoline An anticholinergic drug used as an antispasmodic. butirosin Any of a family of aminoglycoside antibiotics produced by Bacillus circulans. butixocort A therapeutic glucocorticoid. butizide A diuretic. Butkiewicz A surname. Butko A surname. Butland A surname. butler A manservant having charge of wines and liquors. butlerage A duty formerly paid to the king's butler on every ton of wine imported into England by foreign merchants. butlerdom The status or sphere of butlers. butleress A female butler. butlerhood Synonym of butlership. Butlerian Of or relating to Samuel Butler (1835–1902), iconoclastic Victorian author. butlerin An organic compound found in some lichens. butlerite A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, and sulfur. butlerless Without a butler. butlerlike Resembling or characteristic of a butler. butlerly Befitting a butler. butlership The rank, office, or position of a butler. butlery A butler's pantry; a serving pantry. Butlin A surname. Butlinesque Reminiscent of the Butlins chain of British holiday camps, with various family-oriented activities and entertainments supervised by redcoats. butment A buttress of an arch; the supporter, or that part which joins it to the upright pier. Butnan A district of Libya. Capital: Tobruk. Butner A surname. Buto Synonym of Wadjet.