12-letter words containing er
- afrikanerdom — (in South Africa) Afrikaner nationalism based on pride in the Afrikaans language and culture, conservative Calvinism, and a sense of heritage as pioneers
- afrikanerism — a word, term, or usage peculiar to or originating among Afrikaners.
- after a sort — to some extent
- after-dinner — immediately following dinner: an after-dinner speech.
- after-effect — The after-effects of an event, experience, or substance are the conditions which result from it.
- after-school — After-school activities are those that are organized for children in the afternoon or evening after they have finished school.
- afterburners — Plural form of afterburner.
- afterburning — a process in which additional fuel is ignited in the exhaust gases of a jet engine to produce additional thrust
- aftereffects — Plural form of aftereffect.
- afterthought — If you do or say something as an afterthought, you do or say it after something else as an addition, perhaps without careful thought.
- agglomerated — gathered together into a cluster or mass.
- agglomerates — Third-person singular simple present indicative form of agglomerate.
- agglomerator — gathered together into a cluster or mass.
- agroforester — a person who carries out agroforestry
- aileron roll — a roll consisting of one or more rotations, usually controlled by the use of ailerons.
- air cylinder — a cylinder containing air, esp one fitted with a piston and used for damping purposes
- air disaster — a very serious air crash in which in a lot of people are killed or injured
- air layering — a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
- air observer — observer (def 3).
- air purifier — a device which removes pollutants and allergens from the air
- air terminal — An air terminal is a building in which passengers wait before they get on to an aeroplane.
- air-breather — an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- albert canal — ship canal in Belgium, from Liège to Antwerp: 81 mi (131 km)
- albert speer — Albert [al-bert;; German ahl-bert] /ˈæl bərt;; German ˈɑl bɛrt/ (Show IPA), 1905–81, German Nazi leader: appointed by Hitler as official Nazi architect.
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- aldermanlike — resembling an alderman, esp in being pompous
- alexander ii — 1198–1249, king of Scotland (1214–49), son of William (the Lion)
- alexander iv — (Rinaldo Conti) died 1261, Italian ecclesiastic: pope 1254–61.
- alexander vi — original name Rodrigo Borgia. 1431–1503, pope (1492–1503): noted for his extravagance and immorality as well as for his patronage of the arts; father of Cesare and Lucrezia Borgia, with whom he is said to have committed incest
- alexanderson — Ernst F. W [urnst] /ɜrnst/ (Show IPA), 1878–1975, U.S. engineer and inventor.
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alice palmer — Alice Elvira, 1855–1902, U.S. educator.
- alice's fern — Hartford fern.
- alkalimeters — Plural form of alkalimeter.
- all together — in chorus, in unison
- all-american — If you describe someone as an all-American boy or girl, you mean that they seem to have all the typical qualities that are valued by ordinary Americans, such as good looks and love of their country.
- all-powerful — An all-powerful person or organization has the power to do anything they want.
- allergically — In an allergic manner; because of allergies.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- alliterative — Alliterative means relating to or connected with alliteration.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizer — to put or arrange in alphabetical order.
- alphamerical — relating to alphanumeric characters
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- altar server — server (def 5).
- alterability — capable of being altered.
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alternatives — a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking.