13-letter words containing t, r
- 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.
- 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 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 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-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.
- acupuncturist — An acupuncturist is a person who performs acupuncture.
- acylcarnitine — (organic chemistry) Any ester of carnitine and a carboxylic acid (especially a fatty acid).
- adder's-mouth — any of various orchids of the genus Malaxis that occur in all parts of the world except Australia and New Zealand and have small usually greenish flowers
- additive-free — (of food) not containing any chemical additives
- adjutant bird — either of two large carrion-eating storks, Leptoptilos dubius or L. javanicus, which are closely related and similar to the marabou and occur in S and SE Asia
- admeasurement — the act of admeasuring
- admensuration — Admeasurement.
- administerial — of or concerned with administration; administrative: administerial matters.
- administering — to manage (affairs, a government, etc.); have executive charge of: to administer the law.
- administrable — able to be administered or managed
- administrador — (historical) A steward or official in various Spanish- and Portuguese-speaking countries.
- administrated — to administer.
- administrates — Third-person singular simple present indicative form of administrate.
- administrator — An administrator is a person whose job involves helping to organize and supervise the way that an organization or institution functions.
- administrivia — Administrative details that must be dealt with in order to do more interesting work.
- admiralty law — maritime law.
- adrenalectomy — the surgical removal of one or both adrenal glands
- adumbratively — In an adumbrative manner.
- 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
- adventuresome — Adventuresome means the same as adventurous.
- adventuresses — Plural form of adventuress.
- adventuristic — relating to adventurism
- adventurously — inclined or willing to engage in adventures; enjoying adventures.
- adversatively — in an adversative manner
- advertisement — An advertisement is an announcement in a newspaper, on television, or on a poster about something such as a product, event, or job.
- advertizement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- aerial tanker — an aircraft used to transport fuel or water
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aerodigestive — of or relating to the organs and tissues of the respiratory tract and the upper part of the digestive tract
- aerodontalgia — a toothache caused by lowered barometric pressure, as in high-altitude flight.
- aerogenerator — a generator that is driven by winds
- aerolithology — the science of aerolites
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aerophilately — the study or collection of airmail stamps, cancellations, etc.
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- affinity card — An affinity card is a type of credit card. The bank which issues the card gives a small amount of money to a charity or institution each time the customer spends a certain amount with their card.
- affirmatively — affirming or assenting; asserting the truth, validity, or fact of something.
- affordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.