9-letter words containing a, e, r
- aleuronic — related to the aleurone layer
- alexander — Harold (Rupert Leofric George), Earl Alexander of Tunis. 1891–1969, British field marshal in World War II, who organized the retreat from Dunkirk and commanded in North Africa (1943) and Sicily and Italy (1944–45); governor general of Canada (1946–52); British minister of defence (1952–54)
- alexandra — 1844–1925, queen consort of Edward VII of Great Britain and Ireland
- alexiares — a son of Hercules and Hebe.
- alfileria — Alt form alfilaria.
- algebraic — Algebraic equations, expressions, and principles are based on or use algebra.
- algeciras — a port and resort in SW Spain, on the Strait of Gibraltar: scene of a conference of the Great Powers in 1906. Pop: 108 779 (2003 est)
- algometer — an instrument for measuring sensitivity to pressure (pressure algometer) or to pain
- algometry — a device for determining sensitiveness to pain caused by pressure.
- alienator — A person who alienates.
- aliteracy — the state or quality of being able but disinclined to read
- aliterate — a person who is able to read but disinclined to do so
- alizarine — Alizarin.
- alkalizer — a substance that makes something alkaline or less acidic
- all clear — The all clear is a signal that a dangerous situation, for example an air raid, has ended.
- all there — having his or her wits about him or her; of normal intelligence
- all-clear — the signal that an air raid or other danger is over.
- all-dayer — an entertainment, such as a pop concert or film screening, that lasts all day
- all-fired — excessive; extreme
- all-overs — a general feeling of unease and nervousness throughout the body (usually preceded by the).
- allcomers — all people who want to compete, join or take part, esp in a sporting event, as opposed to members of a specific group
- allegator — (obsolete) A person who alleges.
- allegoric — consisting of or pertaining to allegory; of the nature of or containing allgegory; figurative: an allegorical poem; an allegorical meaning.
- allenarly — in a solitary manner
- allergens — Plural form of allergen.
- allergies — Plural form of allergy.
- allergist — An allergist is a doctor who specializes in treating people with allergies.
- allethrin — a clear viscous amber-coloured liquid used as an insecticide and synergist. Formula: C19H26O3; relative density: 1.005
- allometry — the study of the growth of part of an organism in relation to the growth of the entire organism
- allostery — the condition of a protein (such as an enzyme) in which the structure and activity of the enzyme are modified by the binding of a metabolic molecule at a site other than the chemically active one
- allotrope — any of two or more physical forms in which an element can exist
- allottery — an allotment or allocation
- almsgiver — a person who gives alms
- aloe vera — Aloe vera is a substance that contains vitamins and minerals and is often used in cosmetics. Aloe vera is also the name of the plant from which this substance is extracted.
- alpenhorn — a long, powerful horn of wood or bark, with a cupped mouthpiece and a curved bell at opposite ends, used by Swiss herders and mountaineers.
- altarwise — in the position of an altar
- altdorfer — Albrecht (ˈalbrɛçt). ?1480–?1538, German painter and engraver: one of the earliest landscape painters
- alter ego — Your alter ego is the other side of your personality from the one which people normally see.
- alterable — capable of being altered.
- alterably — In an alterable manner.
- altercate — to argue, esp heatedly; dispute
- alternant — alternating
- alternate — When you alternate two things, you keep using one then the other. When one thing alternates with another, the first regularly occurs after the other.
- althusser — Louis. 1918–90, French Marxist philosopher, author of For Marx (1965) and Reading Capital (1965): committed to a mental hospital (1981) after killing his wife
- altimeter — An altimeter is an instrument in an aircraft that shows the height of the aircraft above the ground.
- altimetre — (nonstandard, and, now, largely obsolete) Alternative form of altimeter.
- altimetry — the science of measuring altitudes, as with an altimeter
- amaritude — Bitterness.
- amaterasu — the Japanese Shinto goddess personifying the sun.
- ambarella — Otaheite apple.