12-letter words containing m, o, a, r
- bagworm moth — any moth of the family Psychidae
- balladmonger — (formerly) a seller of ballads, esp on broadsheets
- banquet room — A banquet room is a room in a hotel where large formal meals for many people can be held.
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barnstormers — Plural form of barnstormer.
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- barodynamics — the branch of mechanics concerned with heavy structures
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- barrack room — a room inside a military barracks, esp one in which soldiers sleep
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beachcombers — Plural form of beachcomber.
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- blabbermouth — a person who talks too much or indiscreetly
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- board member — a member of board of directors
- bog rosemary — any of several species (genus Andromeda) of evergreen shrubs of the heath family, native to cold bogs of North America and Europe, with pink flowers and narrow leaves
- boilermaking — metal-working in heavy industry; plating or welding
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- boomer state — Oklahoma
- boomeranging — a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
- bottom break — a branch coming from the bottom of a plant stem, usually formed by pinching and disbudding.
- bottom grass — any grass that grows on bottoms or lowlands.
- bottom quark — a type of quark with a mass of c. 4.7 to 5.3 GeV/c2, a negative charge that is 1⁄3 the charge of an electron, zero charm, and zero strangeness
- boxgrove man — a type of primitive man, probably Homo heidelbergensis, and probably dating from the Middle Palaeolithic period some 500 000 years ago; remains were found at Boxgrove in West Sussex in 1993 and 1995
- brain tumour — a tumour that is situated in the brain
- brainstormer — a person who brainstorms
- broad jumper — a participant in the long jump.
- broad-minded — If you describe someone as broad-minded, you approve of them because they are willing to accept types of behaviour which other people consider immoral.
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- bromomethane — methyl bromide.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- bronze medal — A bronze medal is a medal made of bronze or bronze-coloured metal that is given as a prize to the person who comes third in a competition, especially a sports contest.
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
- burial mound — a barrow
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- cache memory — a small area of memory in a computer that can be accessed very quickly
- call to arms — a command to report for active military duty.
- calorimeters — Plural form of calorimeter.
- calorimetric — the measurement of heat.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- cam follower — the slider or roller in contact with the cam that transmits the movement dictated by the cam profile
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- camera phone — A camera phone is a mobile phone that can also take photographs.