12-letter words containing r, a, d, i, o
- cardiophobia — An inordinate fear of heart disease.
- cardioplegia — deliberate arrest of the action of the heart, as by hypothermia or the injection of chemicals, to enable complex heart surgery to be carried out
- carisoprodol — a crystalline, water-soluble powder, C 12 H 24 N 2 O 4 , used as a muscle relaxant.
- carotid body — a small mass of cells and nerve endings adjacent to the carotid sinus that, in response to chemical changes in the blood, adjusts the respiratory rate.
- carriage dog — Dalmatian (sense 4)
- catadioptric — involving a combination of reflecting and refracting components
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- centrolinead — a drafting instrument for drawing lines converging on a vanishing point outside the drawing.
- cerotic acid — white insoluble odourless wax
- child labour — the full-time employment of children below a minimum age laid down by statute
- chiliahedron — a thousand-sided polyhedron
- chimneyboard — a partition or a cover to shut off a fireplace
- chloralamide — (chemistry) A compound of chloral and formic amide, used to induce sleep.
- chloric acid — a strong acid with a pungent smell, known only in solution and in the form of chlorate salts. Formula: HClO3
- chondrostian — relating to the class Chondrostei of fish with fin rays
- 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.
- chromic acid — an unstable dibasic oxidizing acid known only in solution and in the form of chromate salts. Formula: H2CrO4
- cigar holder — a mouthpiece of wood, ivory, etc, used for holding a cigar while it is smoked
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- cladosporium — any of the species of fungi in the genus Cladosporium
- clapboarding — Present participle of clapboard.
- closegrained — having a fine, compact grain or texture
- co-ordinator — a person or thing that coordinates.
- coach driver — a person who drives a coach
- coachbuilder — (historical) A builder of horse-drawn coaches.
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- cold warrior — a person who engages in or promotes a cold war
- columnarized — columnar (def 3).
- commanderies — the office or rank of a commander.
- commiserated — Simple past tense and past participle of commiserate.
- concertinaed — a musical instrument resembling an accordion but having buttonlike keys, hexagonal bellows and ends, and a more limited range.
- conductorial — relating to a conductor
- configurated — to give a configuration, form, or design to.
- conquistador — The conquistadors were the sixteenth-century Spanish conquerors of Central and South America.
- considerable — Considerable means great in amount or degree.
- considerably — to a noteworthy or marked extent; much; noticeably; substantially; amply.
- considerance — consideration
- considerated — Simple past tense and past participle of considerate.
- consolidator — a person or thing that consolidates
- contradicted — to assert the contrary or opposite of; deny directly and categorically.
- contradicter — One who contradicts.
- contradictor — to assert the contrary or opposite of; deny directly and categorically.
- coordinately — of the same order or degree; equal in rank or importance.
- coordinating — Present participle of coordinate.
- coordination — Coordination means organizing the activities of two or more groups so that they work together efficiently and know what the others are doing.
- coordinative — of the same order or degree; equal in rank or importance.
- coordinators — Plural form of coordinator.
- copy-reading — to work on (copy) as a copyreader.
- coram judice — before a court having the authority to hear and decide (the case in question).
- cordialities — cordial quality or feeling.