12-letter words containing s, e, r, o, t, i
- arthrotomies — Plural form of arthrotomy.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- assertations — Plural form of assertation.
- asseveration — the act of asseverating.
- astigmometer — an apparatus for measuring the degree of astigmatism.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- 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.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autodiallers — Plural form of autodialler.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- beta orionis — Rigel
- beta version — beta testing
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- bioterrorism — Bioterrorism is terrorism that involves the use of biological weapons.
- bird-spotter — a bird-watcher
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- blood sister — a sister by birth
- boiled shirt — a dress shirt with a stiff front
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- borosilicate — a salt of boric and silicic acids
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- brainstormer — a person who brainstorms
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- calorimeters — Plural form of calorimeter.
- carbonatites — Plural form of carbonatite.
- 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
- categorising — to arrange in categories or classes; classify.
- cater-cousin — a close friend
- celebrations — Plural form of celebration.
- celtic cross — a Latin cross with a broad ring surrounding the point of intersection
- centimorgans — Plural form of centimorgan.
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- ceroplastics — the art of wax modelling
- chaetiferous — having bristles
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chiropterans — Plural form of chiropteran.
- chocolatiers — Plural form of chocolatier.
- choirmasters — Plural form of choirmaster.
- choreologist — a person who is expert in choreology
- christophene — chayote.