13-letter words containing r, a
- 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.
- admirableness — admirability
- admiralty law — maritime law.
- adrenal gland — an endocrine gland at the anterior end of each kidney. Its medulla secretes adrenaline and noradrenaline and its cortex secretes several steroid hormones
- adrenalectomy — the surgical removal of one or both adrenal glands
- adularescence — (of certain gemstones, especially adularia) having a milky, bluish luster.
- adumbratively — In an adumbrative manner.
- advance guard — a military unit sent ahead of a main body to find gaps in enemy defences, clear away minor opposition, and prevent unexpected contact
- 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.
- adverb clause — a subordinate clause that functions as an adverb within a main clause.
- adverb phrase — An adverb phrase or adverbial phrase is a group of words based on an adverb, such as 'very slowly' or 'fortunately for us.' An adverb phrase can also consist simply of an adverb.
- adversarially — In an adversarial way.
- adversariness — the state of being adversarial
- 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 camera — a camera used to take pictures from the air
- aerial ladder — a power-operated extending ladder mounted on a fire engine
- aerial survey — a survey carried out from the air, using an aeroplane or helicopter
- 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.
- aerodynamical — relating to aerodynamics
- aeroembolisms — Plural form of aeroembolism.
- aeroemphysema — A form of emphysema that results from rapid decompression.
- 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.
- aeromechanics — the mechanics of gases, esp air
- aeromodelling — the making and flying of model planes
- 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.
- aerosol spray — a substance contained as an aerosol in a spray can
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight