12-letter words containing o, r, i
- charity toss — a free shot given as a penalty for a foul
- charity work — unpaid work, usually fundraising, done in aid of a charity
- 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
- chicago fire — a three-day fire in Chicago, Ill., in 1871 that largely destroyed the city and took several hundred lives.
- chicharrones — A Hispanic dish; made of fried pork rinds.
- chiffonniere — a worktable of the 18th century, having several tiers of shallow drawers.
- child labour — the full-time employment of children below a minimum age laid down by statute
- child record — (database) A record lower in the hierarchical tree than a parent record; it is also directly liked to the parent and hierarchical databases.
- childcrowing — a disease which causes spasms of the vocal cords
- childproofed — Simple past tense and past participle of childproof.
- chili powder — Chili powder is a very hot-tasting powder made mainly from dried chilies. It is used in cooking.
- chiliahedron — a thousand-sided polyhedron
- chill factor — windchill factor
- chimney rock — a column of rock rising above the level of the surrounding area or isolated on the face of a steep slope.
- chimneyboard — a partition or a cover to shut off a fireplace
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chirognomist — someone who studies chirognomy
- chirographer — Alternative form of chirographist.
- chirographic — Of or relating to chirography.
- 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.
- chirurgeonly — in the manner of a surgeon
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chloralamide — (chemistry) A compound of chloral and formic amide, used to induce sleep.
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chloric acid — a strong acid with a pungent smell, known only in solution and in the form of chlorate salts. Formula: HClO3
- 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
- chlorohydrin — any of a class of organic compounds containing a hydroxyl group and a chlorine atom
- chloropicrin — a colourless insoluble toxic lachrymatory liquid used as a pesticide and a tear gas; nitrotrichloromethane. Formula: CCl3NO2
- 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.
- cholerically — In a choleric manner.
- cholericness — The state or quality of being choleric.
- chondriosome — mitochondrion
- chondrostian — relating to the class Chondrostei of fish with fin rays
- chordophonic — of or relating to a chordophone
- choreologist — a person who is expert in choreology
- chorographic — Relating to chorography.
- 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.