12-letter words containing o, t, h, i
- 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.
- catch points — railway points designed to derail a train running back in the wrong direction to prevent collision with a following train
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- cathodically — in a cathodic manner, by using a cathode
- centillionth — (in Britain and Germany) a number equal to 10–600
- chaetiferous — having bristles
- chalcolithic — of or relating to a period characterized by the use of both stone and bronze implements
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- chalicothere — any of various very large extinct Tertiary horselike perissodactyl mammals that had clawed feet but otherwise resembled titanotheres
- change point — a point to which a foresight and backsight are taken in levelling; turning point
- 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
- charity work — unpaid work, usually fundraising, done in aid of a charity
- cheiloplasty — plastic surgery of the lip.
- cheluviation — the leaching of chelates through soil
- chemiosmotic — relating to the process of chemiosmosis
- chemotrophic — any organism that oxidizes inorganic or organic compounds as its principal energy source.
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chill factor — windchill factor
- china closet — a cabinet or cupboard for storing or exhibiting chinaware.
- chincoteague — a town on a small island in a lagoon (Chincoteague Bay) in E Virginia: annual wild pony roundup.
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chinhuangtao — a seaport in NE Hebei province, in NE China, on the Bohai.
- chirognomist — someone who studies chirognomy
- chiropractic — Chiropractic is the treatment of injuries by pressing and moving people's joints, especially the spine.
- chiropractor — A chiropractor is a person who treats injuries by chiropractic.
- chiropterans — Plural form of chiropteran.
- chisel point — a nail or spike with the point formed by two flat inclined sides meeting at a sharp angle.
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chlorimetric — of or relating to chlorimetry
- chlorinating — Present participle of chlorinate.
- chlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- chloroacetic — an acid made by chlorinating acetic acid
- chocolatiers — Plural form of chocolatier.
- choirmasters — Plural form of choirmaster.
- cholinolytic — capable of blocking the action of acetylcholine and related compounds.
- chondrostian — relating to the class Chondrostei of fish with fin rays
- choreologist — a person who is expert in choreology
- choroid coat — a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light.
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromaticism — the use of chromatic tones.
- chromaticity — the quality of a colour or light with reference to its purity and its dominant wavelength
- chromatophil — Also, chromatophilic, chromatophilous [kroh-muh-tof-uh-luh s] /ˌkroʊ məˈtɒf ə ləs/ (Show IPA). chromophil (def 1).
- chromatopsia — an irregularity in the ability to see colours properly
- chronologist — a person versed in chronology.
- chronometric — of a chronometer or chronometry