9-letter words containing r, e, o, i
- averroism — the teachings of Averroës
- aversions — Plural form of aversion.
- avicebron — (Solomon ben Judah ibn-Gabirol) 1021?–58, Jewish poet and philosopher in Spain.
- bacterio- — indicating bacteria or an action or condition relating to or characteristic of bacteria
- bacteroid — resembling a bacterium
- baignoire — a theatre box on the lowest level
- baltimore — a port in N Maryland, on Chesapeake Bay. Pop: 628 670 (2003 est)
- bandolier — a soldier's broad shoulder belt having small pockets or loops for cartridges
- barbitone — a long-acting barbiturate used medicinally, usually in the form of the sodium salt, as a sedative or hypnotic
- barbotine — a type of clay paste used in making decorated pottery
- barenboim — Daniel. born 1942, Israeli concert pianist and conductor, born in Argentina
- baritones — Plural form of baritone.
- barophile — An organism that lives and thrives under high barometric pressure; a form of extremophile.
- be in for — If you say that someone is in for a shock or a surprise, you mean that they are going to experience it.
- be rid of — to be freed from or relieved of (something undesirable)
- behaviors — manner of behaving or acting.
- behaviour — People's or animals' behaviour is the way that they behave. You can refer to a typical and repeated way of behaving as a behaviour.
- beriosova — Svetlana (svɪtˈlanə). 1932–98, British ballet dancer, born in Lithuania
- bernoulli — Daniel (danjɛl), son of Jean Bernoulli. 1700–82, Swiss mathematician and physicist, who developed an early form of the kinetic theory of gases and stated the principle of conservation of energy in fluid dynamics
- bertillon — Alphonse [al-fons,, -fonz;; French al-fawns] /ˈæl fɒns,, -fɒnz;; French alˈfɔ̃s/ (Show IPA), 1853–1914, French anthropologist: devised Bertillon system.
- beta iron — a nonmagnetic allotrope of pure iron stable between 770°C and 910°C
- bezoardic — relating to bezoar
- biddeford — a city in SW Maine.
- bigorexia — muscle dysmorphia.
- bimotored — having two engines.
- bind over — If someone is bound over by a court or a judge, they are given an order and must do as the order says for a particular period of time.
- bioenergy — the renewable energy derived from biological sources
- biofibres — vegetable, animal, or mineral fibres existing in nature which are used by man
- biofouler — an animal that obstructs or pollutes the environment
- biohermal — a carbonate rock formation, in the form of an ancient reef or hummock, consisting of the fossilized remains of corals, algae, mollusks, and other sedentary marine life, and commonly surrounded by rock of a different lithology.
- biomarker — a distinct biochemical, genetic, or molecular characteristic or substance that is an indicator of a particular biological condition or process: a blood test to measure protein biomarkers for cancer.
- biometric — Biometric tests and devices use biological information about a person to create a detailed record of their personal characteristics.
- bioparent — a biological parent
- biopirate — a person who is responsible for biopiracy
- bioregion — a natural ecological community in which the biodiversity and ecosystem are distinct
- biosensor — a biological device used to detect specific chemical presence
- biosphere — The biosphere is the part of the earth's surface and atmosphere where there are living things.
- biostrome — a rock layer consisting of a deposit of organic material, such as fossils
- bioturbed — stirred by organisms
- birdhouse — a small shelter or box for birds to nest in
- bjoerling — Jussi [yoo s-ee] /ˈyʊs i/ (Show IPA), 1911–60, Swedish tenor.
- boardlike — resembling a board
- boat ride — a ride in a boat
- boil over — When a liquid that is being heated boils over, it rises and flows over the edge of the container.
- boil-over — an unexpected result.
- boilerman — a man who looks after boilers
- bonderize — to coat (steel) with an anticorrosive phosphate solution, usually in preparation for the application of paint, enamel, or lacquer.
- bonetired — completely exhausted
- bordelais — a wine-growing region in SW France, in Gironde.
- bordering — the part or edge of a surface or area that forms its outer boundary.