12-letter words containing i, n, t, r, o
- cater-cousin — a close friend
- celebrations — Plural form of celebration.
- centimorgans — Plural form of centimorgan.
- centroclinal — of, relating to, or designating a rock formation in which the strata slope down and in towards a central point or area
- centrolinead — a drafting instrument for drawing lines converging on a vanishing point outside the drawing.
- centrolineal — Of lines, converging to a centre.
- centuriation — the process or act of dividing land into centuries or equal areas undertaken by the Romans
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- cerebrotonia — a personality type characterized by restraint, alertness, and an intellectual approach to life: said to be correlated with an ectomorph body type
- cerebrotonic — relating to or resembling a personality type characterized by shyness, introspection, and emotional restraint, and often associated with an ectomorphic physique
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chirognomist — someone who studies chirognomy
- 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
- christophene — chayote.
- chronologist — a person versed in chronology.
- chronometric — of a chronometer or chronometry
- chronotropic — affecting the rate or timing of a physiologic process, as the heart rate.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- cinque ports — an association of ports on the SE coast of England, originally consisting of Hastings, Romney, Hythe, Dover, and Sandwich, which from late Anglo-Saxon times provided ships for the king's service in return for the profits of justice in their courts. The Cinque Ports declined with the growth of other ports and surrendered their charters in 1685
- circulations — Plural form of circulation.
- circumventor — to go around or bypass: to circumvent the lake; to circumvent the real issues.
- citron melon — a kind of fruit with a hard white flesh, that grows on a variety of watermelon plant (Citrullus lanatus var. citroides): used only candied or preserved
- clairvoyants — Plural form of clairvoyant.
- claustration — the act of confining to a small space (usually a cloister)
- co-extrusion — simultaneous extrusion of two or more different yet compatible metals or plastics through the same die.
- 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.
- co-president — a person who shares the highest position in an organization with another person
- co-recipient — one of two or more recipients, as of an award.
- 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.
- coat protein — any protein that is a constituent of the capsid of a virus.
- cockthrowing — the sport of knocking down, or killing, a cock that is tied to a post
- cogeneration — the process of generating electricity and steam from the same power plant
- 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.
- comfortingly — In a comforting manner.
- 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.
- commorientes — people whose deaths are so close to each other (being caused by the same calamity) that it is not possible to determine who died first. It is assumed that the elder person died first