9-letter words containing a, c, o, i
- chalazion — a small cyst on the eyelid resulting from chronic inflammation of a meibomian gland
- chamomile — camomile
- chamosite — a mineral of the chlorite group, hydrous aluminum silicate of iron, occurring in gray or black crystals in oolitic iron ore.
- champions — Third-person singular simple present indicative form of champion.
- chancroid — a soft venereal ulcer, esp of the male genitals, caused by infection with the bacillus Haemophilus ducreyi
- charbroil — to grill (meat) over charcoal
- charleroi — a town in SW Belgium, in Hainaut province: centre of an industrial region. Pop: 200 608 (2004 est)
- charolais — a breed of large white beef cattle that originated in France
- chelation — the process by which a chelate is formed
- chelonian — any reptile of the order Chelonia, including the tortoises and turtles, in which most of the body is enclosed in a protective bony capsule
- cherimoya — a deciduous shrub or small tree, native to the Andean highlands, which produces an oval fruit with cream-coloured flesh
- chiaochou — a former German-leased territory (1898–1914) on the Shandong peninsula, in E China, around Jiaozhou Bay. 200 sq. mi. (518 sq. km). Chief city, Tsingtao.
- chicagoan — a native or inhabitant of Chicago, Ill.
- chicalote — a poppy, Argemone platyceras, of the southwestern US and Mexico with prickly leaves and white or yellow flowers
- chiliagon — a thousand-sided polygon
- china oil — a dark, molasseslike, aromatic, water-insoluble liquid having a warm, bitter taste, obtained from the leguminous tree, Myroxylon pereirae, of Central America: used in medicine, perfumery, and in the manufacture of chocolate.
- chinaroot — the root of either of two plants, the galanga or the smilax
- chinatown — Chinatown is the name given to the area in a city where there are many Chinese shops and restaurants, and which is a social centre for the Chinese community in the city.
- chinookan — of the Chinooks or their language or culture
- chipboard — Chipboard is a hard material made out of very small pieces of wood which have been pressed together. It is often used for making doors and furniture.
- chipolata — a small sausage in a narrow casing
- chirimoya — cherimoya.
- chisimaio — a port in S Somalia, on the Indian Ocean. Pop: reliable recent estimates are not available
- chiyogami — a type of highly decorated, colourful craft paper used for origami
- chloranil — a yellow, crystalline, water-insoluble solid, C 6 Cl 4 O 2 , used chiefly as a fungicide and as an intermediate in the manufacture of dyes.
- cholaemia — a toxic medical condition indicated by the presence of bile in the blood
- cholaemic — of or relating to cholaemia
- choleraic — relating to, like, or developing from cholera
- choralist — a person who sings in a chorus or ensemble
- choreatic — any of several diseases of the nervous system characterized by jerky, involuntary movements, chiefly of the face and extremities.
- choriambs — Plural form of choriamb.
- choroidal — relating to the choroid
- chowkidar — (in India) a watchman or gatekeeper.
- chromatic — In music, chromatic means related to the scale that consists only of semitones.
- chromatid — either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase
- chromatin — the part of the nucleus that consists of DNA and proteins, forms the chromosomes, and stains with basic dyes
- chromidia — chromatins in cell cytoplasm
- chronaxie — the minimum time required for excitation of a nerve or muscle when the stimulus is double the minimum (threshold) necessary to elicit a basic response
- chronical — relating to or controlled by time
- chthonian — of or relating to the underworld
- chukotian — a group of genetically related languages spoken on the Chukchi and Kamchatka peninsulas in eastern Siberia, including Chukchi, Kamchadal, and Koryak.
- cigarillo — a small cigar often only slightly larger than a cigarette
- ciliation — Lb biology Quality of having cilia.
- ciliolate — covered with minute hairs, as some plants
- cimbaloms — Plural form of cimbalom.
- cinchonas — Plural form of cinchona.
- cinerator — an incinerator.
- cinnamons — Plural form of cinnamon.
- cinnamony — reminiscent of cinnamon
- cis woman — an adult who was born female and whose gender identity is female.