12-letter words containing h, i, r, o, s
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- attorneyship — The office or profession of an attorney.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- bachelorship — the state of being a bachelor; bachelorhood
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- 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)
- 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.
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- 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.
- 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.
- boiled shirt — a dress shirt with a stiff front
- boiler house — a building housing a boiler
- 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.
- cardiographs — Plural form of cardiograph.
- 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.
- cataphoresis — electrophoresis
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- cecil rhodes — Cecil John, 1853–1902, English colonial capitalist and government administrator in southern Africa.
- chaetiferous — having bristles
- chain smoker — person: smokes heavily
- chain-smoker — A chain-smoker is a person who chain-smokes.
- chairpersons — Plural form of chairperson.
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.
- charity toss — a free shot given as a penalty for a foul
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chicharrones — A Hispanic dish; made of fried pork rinds.
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chirognomist — someone who studies chirognomy
- chiropterans — Plural form of chiropteran.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chlorospinel — a variety of spinel used as a gem, colored grass-green by the presence of copper.
- chlorpyrifos — a broad-spectrum insecticide, C 9 H 11 Cl 3 NO 3 PS, used on lawns and ornamental plants.
- chocolatiers — Plural form of chocolatier.
- choir school — (in Britain) a school, esp a preparatory school attached to a cathedral, college, etc, offering general education to boys whose singing ability is good
- choir-screen — a partition or a screen in a church that acts as a divide between the choir and the aisles
- choirmasters — Plural form of choirmaster.
- chokeberries — Plural form of chokeberry.
- cholericness — The state or quality of being choleric.
- chondriosome — mitochondrion
- chondrostian — relating to the class Chondrostei of fish with fin rays
- choreologist — a person who is expert in choreology