13-letter words containing a, c, e, t
- act one's age — anything done, being done, or to be done; deed; performance: a heroic act.
- acting career — a person's career as an actor
- actinomycetes — Plural form of actinomycete.
- actinotherapy — radiotherapy, especially using ultraviolet rays.
- 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
- active centre — the region in an enzyme molecule in which the reactive groups that participate in its action are juxtaposed
- active filter — An active filter is any filter using an op amp.
- active galaxy — a galaxy that emits usually large amounts of energy from a very compact central source, such as Seyfert galaxies, radio galaxies, and quasars
- active matrix — a liquid crystal display in which each pixel is individually controlled to provide a sharp image at a wide viewing angle; it is used in laptop and notebook computers
- 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.
- active safety — the practice of taking measures to avoid accidents, as opposed to merely reducing their consequences
- active-matrix — of or relating to a high-resolution liquid-crystal display (LCD) with high contrast, the most common type of flat-panel display.
- 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.
- acute disease — disease that progresses rapidly
- acylcarnitine — (organic chemistry) Any ester of carnitine and a carboxylic acid (especially a fatty acid).
- addictiveness — producing or tending to cause addiction: an addictive drug.
- adenoidectomy — surgical removal of the adenoids
- 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 party — a small group of soldiers who go ahead of the main body of troops to prepare the way for their arrival, or any group that does the same thing or arrives ahead of the main body
- 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.
- adventuristic — relating to adventurism
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- aesthetically — in an aesthetic manner
- aestheticians — Plural form of aesthetician.
- aestheticized — Simple past tense and past participle of aestheticize.
- aestheticizes — Third-person singular simple present indicative form of aestheticize.
- affectability — the ability to be influenced or affected by something
- affectibility — The quality or state of being affectible.
- affectionally — In an affectional manner.
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- affectiveness — The property of being affective.
- african plate — a major tectonic division of the earth's crust, comprising the African continent as well as adjacent ocean basins (the Canary, Cape Verde, Angola, Cape Agulhas, Somali, Madagascar, and Natal Basins), and bounded on the north by the Eurasian and Arabian Plates, on the east by mid-ocean ridges (the Southwest Indian, Mid-Indian, and Carlsberg Ridges), on the south by the Antarctic Plate, and on the west by the Mid-Atlantic Ridge.
- after-effects — harmful consequences, effects
- agrobacterium — A soil bacterium, of the genus Agrobacterium, which can fix nitrogen, and causes the formation of crown galls in plants.
- agroecologist — One who studies agroecology.
- air injection — injection of liquid fuel into the cylinder of an internal-combustion engine, especially a diesel, by means of a jet of compressed air.
- aircraftwomen — Plural form of aircraftwoman.
- alchemistical — relating to alchemists
- alcoholometer — an instrument, such as a specially calibrated hydrometer, for determining the percentage of alcohol in a liquid
- alcoholometry — the process of measuring the concentration of alcohol in a liquid, such as in blood or a liquor
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.