13-letter words containing c, o, a
- achromaticity — achromatism.
- achromatophil — Also, achromatophilic [ey-kruh-mat-uh-fil-ik, ak-ruh-, ey-kroh-muh-tuh-] /ˌeɪ krəˌmæt əˈfɪl ɪk, ˌæk rə-, eɪˌkroʊ mə tə-/ (Show IPA). having little or no affinity for stains.
- achromatopsia — a visual disorder defined by deficient or absent function in the retinal cones, resulting in colour blindness and in decreased vision in bright lights
- achromobacter — any of several rod-shaped bacteria of the genus Achromobacter, found in soil and water.
- acidification — The act or process of making something sour (acidifying), or changing into an acid.
- acidulousness — A state of or tendency toward being acidulous or somewhat sour or acid.
- acinetobacter — a bacterium that causes infections such as pneumonia, particularly in people who have a compromised immune system
- acknowledging — Present participle of acknowledg.
- acotyledonous — Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
- acoustic hood — a type of shield that fits around electronic and other equipment, which reduces the noise generated when that equipment is being used
- acoustic mine — a naval mine designed to be exploded by the vibration of the propeller of a passing ship or by the sound of water along the hull.
- acoustooptics — the branch of physics dealing with the relationships between acoustics and light
- acquisitional — relating to the act of acquisition
- acrimoniously — caustic, stinging, or bitter in nature, speech, behavior, etc.: an acrimonious answer; an acrimonious dispute.
- acrobatically — In an acrobatic manner.
- acronymically — in an acronymic manner
- acrylic color — a color or paint made by mixing pigments in a solution of acrylic resin
- acrylonitrile — a colourless liquid that is miscible with water and has toxic fumes: used in the manufacture of acrylic fibres and resins, rubber, and thermoplastics. Formula: CH2:CHCN
- acrylyl group — the univalent group C 3 H 3 O−, derived from acrylic acid.
- act one's age — anything done, being done, or to be done; deed; performance: a heroic act.
- actinobiology — the branch of biology concerned with the effects of radiation on living organisms
- actinomorphic — (esp of a flower) having radial symmetry, as buttercups
- actinomycetes — Plural form of actinomycete.
- actinomycosis — a fungal disease of cattle and of cats and dogs, sometimes transmitted to humans esp by bites, characterized by a swelling of the affected part, most often the jaw or lungs
- actinotherapy — radiotherapy, especially using ultraviolet rays.
- actinouranium — the isotope of uranium that has a mass number of 235
- action figure — a small figure of a character from a film, television programme, comic book etc, designed as a toy and often collected by enthusiasts
- action replay — An action replay is a repeated showing, usually in slow motion, of an event that has just been on television.
- action-packed — full of activities, events and excitement
- actionability — furnishing ground for a lawsuit.
- active object — (programming) An object each instance of which has its own thread running as well as its own copies of the object's instance variables.
- active optics — a system to compensate for any deformation caused by gravity in the surface accuracy and alignment of the mirrors of an astronomical telescope by means of actuators that control the movable mirror supports
- active reason — an activity of intellect, embodying universal truth, potentially present in the mind of every individual, and when present, forming the only immortal part of the individual.
- actor-manager — a leading actor who produces and usually stars in his or her own productions: Sir Henry Irving was one of the first actor-managers.
- actualisation — Alternative spelling of actualization.
- actualization — the act or process of actualizing.
- adenoidectomy — surgical removal of the adenoids
- adjudications — Plural form of adjudication.
- adrenalectomy — the surgical removal of one or both adrenal glands
- adultolescent — a young adult or middle-aged person who has interests, traits, etc., that are usually associated with teenagers.
- advance ratio — the ratio of wind speed along the axis of a rotor or propeller to the speed of the blade tip
- advection fog — fog caused by the movement of warm, moist air over a cold surface.
- advice column — In a newspaper or magazine, the advice column contains letters from readers about their personal problems, and advice on what to do about them.
- advocacy tank — a research and development institution that works to lobby government officials to adopt the institution's viewpoints.
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aerodynamical — relating to aerodynamics
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- affectionally — In an affectional manner.