13-letter words containing m, a, r
- 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
- affirmatively — affirming or assenting; asserting the truth, validity, or fact of something.
- affirming gun — a gun fired by a warship to signal its intention to search a merchant vessel.
- affreightment — a contract hiring a ship to carry goods
- aformentioned — Misspelling of aforementioned.
- afro-american — African-American
- aggiornamento — the process of bringing up to date methods, ideas, etc
- agglomeration — An agglomeration of things is a lot of different things gathered together, often in no particular order or arrangement.
- agglomerative — gathered together into a cluster or mass.
- agro-economic — of or relating to a nation's agricultural economy, the financial problems of farmers as a group, etc.: mounting pressures on the agro-economic system.
- agrobacterium — A soil bacterium, of the genus Agrobacterium, which can fix nitrogen, and causes the formation of crown galls in plants.
- agrochemicals — Plural form of agrochemical.
- agronomically — in an agronomic manner
- agroterrorism — the use of biological agents as weapons against agricultural and food-supply industries
- air ambulance — An air ambulance is a helicopter or plane that is used for taking people to hospital.
- air commodore — a senior officer of the Royal Air Force and certain other air forces, of equivalent rank to brigadier in the Army
- air-lift pump — a pump that pumps liquid by injecting air into the lower end of an open pipe immersed in the liquid: often used in boreholes
- aircraftwoman — The female equivalent of an aircraftman.
- aircraftwomen — Plural form of aircraftwoman.
- airmail paper — the very thin blue paper used to write letters that are to be sent by airmail
- airplane mode — a setting on a phone or other mobile device that turns off Wi-Fi, cellular, and other wireless connections.
- ajmer-merwara — a former province in NW India. 2400 sq. mi. (6216 sq. km).
- albumen paper — a printing paper coated with albumen, salt, and citric acid and sensitized with silver nitrate, used c1850–80.
- albumin color — (in textile printing) a color fixed to a fabric by an albuminous mordant.
- 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
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.
- all manner of — If you refer to all manner of objects or people, you are talking about objects or people of many different kinds.
- all-embracing — Something that is all-embracing includes or affects everyone or everything.
- all-important — crucial; vital
- allelomorphic — relating to alleles
- allochromatic — Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
- allotriomorph — (geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.
- alongshoreman — a person employed to load and unload ships
- alpha emitter — a radioactive isotope that emits alpha particles
- alphabetiform — having similarities to letters of the alphabet
- alphanumerics — Plural form of alphanumeric.
- alstroemerias — Plural form of alstroemeria.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- aluminiferous — containing or yielding aluminium or alumina
- aluminography — algraphy.
- aluminothermy — a process for reducing metallic oxides using finely divided aluminium powder. The mixture of aluminium and the oxide is ignited, causing the aluminium to be oxidized and the metal oxide to be reduced to the metal
- amakrokokroko — a nickname for the South African Paralympic team
- amakwerekwere — a term used by Black people to refer to foreign Africans
- amarantaceous — amaranthine
- amateur night — an entertainment featuring amateur performers, often in competition for prizes.
- amazon parrot — any of several tropical American green parrots of the genus Amazona, popular as pets.