12-letter words containing c, h, i, n, o
- choir-screen — a partition or a screen in a church that acts as a divide between the choir and the aisles
- cholericness — The state or quality of being choleric.
- cholinolytic — capable of blocking the action of acetylcholine and related compounds.
- chondriosome — mitochondrion
- chondrostian — relating to the class Chondrostei of fish with fin rays
- chordophonic — of or relating to a chordophone
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chronologies — Plural form of chronology.
- chronologise — Alternative spelling of chronologize.
- chronologist — a person versed in chronology.
- chronologize — to arrange in an order determined by when events took place
- chronometric — of a chronometer or chronometry
- chronophobia — Fear of the passing of time, or more generally of time itself.
- chronotropic — affecting the rate or timing of a physiologic process, as the heart rate.
- chylomicrons — Plural form of chylomicron.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- cinchonidine — an alkaloid that is a stereoisomer of cinchonine, with similar properties and uses
- cloddishness — The quality of being cloddish.
- closed chain — any structural arrangement, used in the models and formulas of molecules, consisting of a chain of atoms that forms a closed geometric figure; ring
- clothes-line — a strong, narrow rope, cord, wire, etc., usually stretched between two poles, posts, or buildings, on which clean laundry is hung to dry.
- clotheslined — Simple past tense and past participle of clothesline.
- clotheslines — Plural form of clothesline.
- clownishness — The state of being clownish.
- co-ownership — the fact or state of being one of the joint owners of something
- cochairwoman — a woman who cochairs an organization
- cochin china — a former French colony of Indochina (1862–1948): now the part of Vietnam that lies south of Phan Thiet
- cochin-china — a former state in S French Indochina: now part of Vietnam.
- cockfighting — The sport (illegal in certain countries) of setting two cocks to fight each other. Fighting cocks often have had their legs fitted with metal spurs.
- cockthrowing — the sport of knocking down, or killing, a cock that is tied to a post
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- coding sheet — a form on which a program is written
- codling moth — a tortricid moth, Carpocapsa pomonella, the larvae of which are a pest of apples
- coelacanthic — of or relating to the coelacanth
- coenesthesia — general awareness of one's own body
- cohabitating — cohabit.
- cohabitation — the state or condition of living together in a conjugal relationship without being married
- cohesionless — lacking cohesion
- cohesiveness — characterized by or causing cohesion: a cohesive agent.
- coin changer — a machine that gives change rapidly, as to a customer, typically operated by a manual keyboard and often used in association with a cash register.
- coin machine — slot machine (def 2).
- column shift — A column shift is a gearshift lever mounted on the steering column.
- conchiferous — (esp of molluscs) having or producing a shell
- conchoidally — In a conchoidal manner.
- conchologist — One who collects shells, especially for the purpose of scientific study.
- conidiophore — a simple or branched hypha that bears spores (conidia) in such fungi as Penicillium
- constraineth — Archaic third-person singular form of constrain.
- consumership — the state of being a consumer
- contact high — a state of altered consciousness caused by inhaling the drugs other people are smoking
- copy machine — A copy machine is the same as a copier.