12-letter words containing r, a, i, n, o
- chairpersons — Plural form of chairperson.
- channel iron — a rolled-steel bar with a U-shaped cross section
- charbroiling — Present participle of charbroil.
- chicharrones — A Hispanic dish; made of fried pork rinds.
- chiliahedron — a thousand-sided polyhedron
- chimneyboard — a partition or a cover to shut off a fireplace
- chiropterans — Plural form of chiropteran.
- 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.
- chondrostian — relating to the class Chondrostei of fish with fin rays
- christophany — an appearance or emergence of Christ following his crucifixion
- chronophobia — Fear of the passing of time, or more generally of time itself.
- circulations — Plural form of circulation.
- clairvoyance — the alleged power of perceiving things beyond the natural range of the senses
- clairvoyancy — the faculty of clairvoyance
- clairvoyants — Plural form of clairvoyant.
- clapboarding — Present participle of clapboard.
- clarion call — A clarion call is a strong and emotional appeal to people to do something.
- claustration — the act of confining to a small space (usually a cloister)
- clomipramine — A tricyclic, heterocyclic drug used to treat depression, anxiety and obsessive-compulsive disorder.
- closegrained — having a fine, compact grain or texture
- co-ordinator — a person or thing that coordinates.
- co-parenting — a divorced or separated parent who shares equally with the other parent in the custody and care of a child.
- coacervation — a reversible, emulsoid stage existing between the sol and gel formations, in which the addition of a third substance causes the separation of the sol into two immiscible liquid phases: an essential stage in the formation of proteins, antibodies, etc.
- coal-burning — fuelled by burning coal
- coarse grain — granularity
- coat protein — any protein that is a constituent of the capsid of a virus.
- cocarcinogen — a substance that can promote cancer when acting with other substances, but which does not promote cancer by itself
- cochairwoman — a woman who cochairs an organization
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- cogeneration — the process of generating electricity and steam from the same power plant
- 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.
- coir matting — a floor covering or packing material made of coir
- collar point — a point midway between the heart point and top of an escutcheon.
- collinearity — lying in the same straight line.
- colorisation — The process of converting to color.
- colorization — Colorization is a technique used to add colour to old black and white films.
- colourations — Plural form of colouration.
- columnarized — columnar (def 3).
- commanderies — the office or rank of a commander.
- commentarial — a series of comments, explanations, or annotations: a commentary on the Bible; news followed by a commentary.
- commentariat — the journalists and broadcasters who analyse and comment on current affairs
- commentaries — Plural form of commentary.
- common ratio — geometric ratio.
- communicator — a person who communicates, especially one skilled at conveying information, ideas, or policy to the public.
- compartition — (obsolete) The act of dividing into parts or compartments.
- compaternity — the relationship between the godparents of a child or between the godparents and the child's parents.
- comportation — (obsolete) The act of bringing together.
- compurgation — (formerly) a method of trial whereby a defendant might be acquitted if a sufficient number of persons swore to his innocence
- concentrical — concentric