12-letter words containing o, h, i, r
- autographing — Present participle of autograph.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorhythmic — That generates its own rhythm.
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- azithromycin — A macrolide antibiotic derived from erythromycin.
- bachelorship — the state of being a bachelor; bachelorhood
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- 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.
- 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
- 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
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biogeography — the branch of biology concerned with the geographical distribution of plants and animals
- biographical — Biographical facts, notes, or details are concerned with the events in someone's life.
- biohazardous — a pathogen, especially one used in or produced by biological research.
- biorhythmics — the study of biorhythms
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- birth mother — the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child
- birthday boy — the boy or man whose birthday is being celebrated
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- bletheration — nonsense!
- bloodthirsty — Bloodthirsty people are eager to use violence or display a strong interest in violent things. You can also use bloodthirsty to refer to very violent situations.
- bloody shirt — something, as a political issue or historical event, that can be used to stir up outrage, partisan support, etc.
- boar-hunting — the practice of hunting wild boars
- boiled shirt — a dress shirt with a stiff front
- boiler house — a building housing a boiler
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- border light — a striplight hung upstage of a border, for lighting the stage.
- boucherville — a town in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- bourke-white — Margaret. 1906–71, US photographer, a pioneer of modern photojournalism: noted esp for her coverage of World War II
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- bridge cloth — a tablecloth for a bridge table.
- bridge house — a deckhouse including a bridge or bridges for navigation.
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- bromhidrosis — the secretion of foul-smelling sweat.
- bronchogenic — bronchial in origin
- cachinnatory — Pertaining to loud or immoderate laughter.
- camphorating — Present participle of camphorate.
- cancerphobia — an excessive fear of getting cancer
- carbocholine — carbachol.
- cardiographs — Plural form of cardiograph.
- cardiography — electrocardiograph.
- cardiophobia — An inordinate fear of heart disease.
- cartographic — Of or pertaining to the making of maps.
- cartoonishly — in a cartoonish manner
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.