12-letter words containing o, r, i
- baby monitor — a device that transmits sounds made by a baby to another room
- bachelorship — the state of being a bachelor; bachelorhood
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- bacon-slicer — a machine for cutting bacon into slices
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- ball of fire — a very lively person
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- banksia rose — a climbing rose, Rosa banksiae, native to China, having long, serrated leaves and white or yellow flowers.
- barbarossa i — (Aruj) died 1518, Barbary pirate, born in Greece.
- barcoo river — a river in E central Australia, in SW Queensland: joins with the Thomson River to form Cooper Creek
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barking frog — a robber frog, Hylactophryne augusti, of Texas, New Mexico, and Mexico, having a call like a dog's bark.
- 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.
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- basidiocarps — Plural form of basidiocarp.
- basidiospore — one of the spores, usually four in number, produced in a basidium
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- be in embryo — Something that is in embryo is at a very early stage of its development.
- bearing down — to hold up; support: to bear the weight of the roof.
- bedfordshire — a county of S central England, administered since 2009 by the unitary authorities of Bedford and Central Bedfordshire: mainly low-lying, with the Chiltern Hills in the south: the geographical county includes Luton, which became a separate unitary authority in 1997. Area (excluding Luton): 1192 sq km (460 sq miles)
- behaviorally — manner of behaving or acting.
- 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.
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- benzonitrile — a clear, colorless, viscous, poisonous liquid, C 7 H 5 N, used chiefly as an intermediate in organic synthesis.
- beta orionis — Rigel
- beta version — beta testing
- beyond price — invaluable or priceless
- bib overalls — overall (def 3a).
- bibliography — A bibliography is a list of books on a particular subject.
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bill of fare — The bill of fare at a restaurant is a list of the food for a meal from which you may choose what you want to eat.
- bimorph cell — a piezoelectric transducer consisting of two crystals cemented together, used in microphones, headphones, loudspeakers, etc. to convert vibrations into a voltage output or to convert a signal voltage into vibrations that can produce audible sounds
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biocorrosion — corrosion caused by or enhanced by bacteria or other microorganisms; biologically induced corrosion.
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- biogeography — the branch of biology concerned with the geographical distribution of plants and animals