11-letter words containing c, a, t, r
- actinometer — an instrument for measuring the intensity of radiation, esp of the sun's rays
- actinometry — The measurement of the heating power of electromagnetic radiation, especially that of solar radiation.
- action hero — the hero in an action film
- action verb — a verb, as run, think, or soothe, that expresses something that a person, animal, object, or process in nature can do, as in Close the door! or The storm is flooding many houses along the coast, rather than expressing a state of being. Compare copula (def 2), stative.
- actor-proof — (of a role or script) effective even if poorly acted.
- actuarially — in an actuarial manner
- acupuncture — Acupuncture is the treatment of a person's illness or pain by sticking small needles into their body at certain places.
- adiathermic — impervious to heat
- adipocerite — hatchettite.
- adjudicator — a judge, esp in a competition
- adscription — ascription
- aeolotropic — anisotropic
- aero-optics — the study of the effect of aircraft-induced and atmospheric disturbances on the efficiency of laser weapons
- aeroculture — a method of growing plants without soil by suspending them above sprays that constantly moisten the roots with water and nutrients.
- aerodonetic — Relating to aerodonetics.
- aeroelastic — capable of changing shape under aerodynamic forces
- aeronautics — Aeronautics is the science of designing and building aeroplanes.
- aerostatics — the study of gases in equilibrium and bodies held in equilibrium in gases
- afforcement — an increase in force or strength
- affrication — the changing of (a consonantal speech sound) to an affricate
- affricative — of, relating to, or denoting an affricate
- afroasiatic — designating or of a family of African and Asian languages generally divided into the branches Berber, Cushitic, Semitic, Chadic, and ancient Egyptian
- afrocentric — centered on, emphasizing, or showing the influence of African or, sometimes, African-American history and culture
- after-lunch — occurring after a midday meal
- aftercooler — a device for cooling compressed air or gases to reduce their volume or temperature.
- aftereffect — The aftereffects of an event, experience, or substance are the conditions which result from it.
- afterpieces — Plural form of afterpiece.
- afterschool — for students and taking place after they finish their day in school, usually in the late afternoon: He’s looking for an afterschool job. Is there afterschool tutoring in math?
- aftershocks — Plural form of aftershock.
- agriculture — Agriculture is farming and the methods that are used to raise and look after crops and animals.
- agriproduct — a product that is a result of agribusiness
- ahistorical — not related to history; not historical
- air attache — a commissioned officer or warrant officer of an air force serving on the staff of an ambassador or minister.
- 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 traffic — the organized movement of aircraft within a given space
- aircraftman — a serviceman of the most junior rank in the RAF
- aircraftmen — Plural form of aircraftman.
- album chart — a regular listing of bestselling record albums
- 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.
- allocentric — Concerned with the interests of others more than one's own; community-minded.
- 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
- americanist — a person who studies some aspect of America, such as its history or languages
- amphitricha — bacteria that have flagella at both ends