11-letter words containing c, r
- air chamber — a compartment in a device or structure that is filled with air
- air cleaner — a filter that prevents dust and other particles from entering the air-intake of an internal-combustion engine
- air command — the Canadian air force
- air current — a mass of air moving from one area to another
- air curtain — an air stream across a doorway to exclude draughts, etc
- air cushion — an inflatable cushion, usually made of rubber or plastic
- air officer — a term used to denote the appointment of any officer in the Royal Air Force above the rank of Air Commodore to a position of command
- air service — the services performed by an airline, as flights between various destinations to transport passengers, freight, and mail.
- air traffic — the organized movement of aircraft within a given space
- air vesicle — a large air-filled intercellular space in some aquatic plants
- aircraftman — a serviceman of the most junior rank in the RAF
- aircraftmen — Plural form of aircraftman.
- airsickness — a feeling of nausea and dizziness, sometimes accompanied by vomiting, as a result of the motion of the aircraft in which one is traveling.
- alarm clock — An alarm clock is a clock that you can set to make a noise so that it wakes you up at a particular time.
- alaska crab — king crab (def 2).
- alaska-crab — horseshoe crab.
- album chart — a regular listing of bestselling record albums
- album cover — the front of the outer packaging of a record album, usually decorated and showing its title and the name of the artist
- albuminuric — related to the state of albuminuria
- alcyonarian — any of various colonial anthozoans of the subclass Alcyonaria with eight tentacles and other body parts in branches or segments of eight
- aleuromancy — (in ancient times) the use of flour as a means of divination.
- algorithmic — a set of rules for solving a problem in a finite number of steps, as for finding the greatest common divisor.
- aliturgical — designating those days on which the celebration of certain liturgies, especially the Eucharist, is forbidden.
- alkali rock — any igneous rock with a marked preponderance of alkali and a low percentage of silica.
- allegorical — An allegorical story, poem, or painting uses allegory.
- allen screw — a screw that has a hexagonal cross section in the head, designed to be turned using an Allen key
- allocentric — Concerned with the interests of others more than one's own; community-minded.
- allocheiria — a medical condition in which sensation is felt at a different point on the body from that stimulated
- allochronic — (biology, of taxa) occurring in different geologic time.
- allographic — Relating to allographs or allography.
- allomorphic — any of two or more different forms of the same chemical compound.
- alt.country — a genre of country music originating in the 1990s and influenced by both early country music and contemporary rock music
- alt.sources — (messaging, programming) A Usenet newsgroup for posting program source code.
- altar cloth — the cloth used for covering an altar: often applied also to the frontal
- altarpieces — Plural form of altarpiece.
- altercation — An altercation is a noisy argument or disagreement.
- altercative — relating to altercation
- amelanchier — A tree or shrub of a genus that includes the juneberries.
- amen corner — in some rural Protestant churches, the seats to the minister's right, once occupied by those leading the responsive amens
- amenorrheic — of or relating to amenorrhea
- americanism — An Americanism is an expression that is typical of people living in the United States of America.
- americanist — a person who studies some aspect of America, such as its history or languages
- americanize — to make or become American in outlook, attitudes, etc
- amici prism — a compound prism that spreads out incident white light into a spectrum but produces no deviation of the central color of the dispersed beam.
- amphibrachs — Plural form of amphibrach.
- amphichiral — (mathematics) superimposable on its mirror image; achiral.
- amphichroic — producing two colours, one on reacting with an acid, the other on reacting with a base
- amphicrania — (pathology) A headache affecting both sides of the head.
- amphimacers — Plural form of amphimacer.
- amphitricha — bacteria that have flagella at both ends