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English Words Starting With A

8,734 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

alloxan
nounVery Low
/əˈlɒksən/A chemical compound, C₄H₂N₂O₄, produced by the oxidation of uric acid.
alloy
nounverbverb-transitiveC1
/ˈæl.ɔɪ/A metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.
alloy steel
nounTechnical/Medium-Low
/ˈæl.ɔɪ stiːl/A type of steel containing significant amounts of alloying elements (other than carbon), added to improve specific properties such as strength, hardness, toughness, or resistance to corrosion or wear.
alloyed junction
nounC2
/əˈlɔɪd ˈdʒʌŋkʃən/A semiconductor junction formed between a metal and a heavily doped semiconductor, created by alloying a metal impurity into the semiconductor material.
allozyme
nounVery Low Frequency
/ˈæləʊzaɪm/A variant form of an enzyme that arises from a small genetic mutation, detectable by differences in electrophoretic mobility.
allport
nounVery Low
/ˈɔːlpɔːt/A surname, specifically associated with the American psychologist Gordon Allport.
allseed
nounVery Low / Technical
/ˈɔːlsiːd/A plant, especially one of the genus Radiola or Linum, that produces numerous seeds.
allspice
nounLow
/ˈɔːlspaɪs/The dried, unripe berry of the West Indian Pimenta dioica tree, used whole or ground as a spice, so named because its flavour resembles a blend of cinnamon, nutmeg, and cloves.
allston
nounVery Low (Geographically Specific)
/ˈɔːl.stən/A proper noun referring to a specific neighborhood in Boston, Massachusetts, United States.
allude
verbverb-intransitiveC1
/əˈluːd/To suggest or mention something indirectly or without explicit statement.
alluded
adjectiveverbC1
/əˈluːdɪd/To refer to something indirectly or without explicit mention.
allulose
nounLow
/ˈæl.jʊ.ləʊs/A low-calorie, naturally occurring monosaccharide sugar found in small quantities in figs, raisins, and other foods; a ketohexose sugar chemically known as D-psicose.
allure
nounverbverb-intransitive+1C1
/əˈlʊə(r)/The quality of being powerfully attractive, fascinating, or charming.
allurement
nounC2
/əˈljʊəmənt/The quality of being powerfully attractive or tempting; something that entices.
allusion
nounC1
/əˈluːʒ(ə)n/An indirect reference to something, especially in literature, art, or popular culture, without explicitly stating it.
alluvial
adjectivenounLow
/əˈluːviəl/Relating to or composed of alluvium: sediment (such as clay, silt, sand, or gravel) deposited by flowing water, especially in riverbeds, floodplains, or deltas.
alluvial fan
nounC1/C2
/əˈluːviəl fæn/A fan-shaped deposit of sediment formed where a fast-flowing stream flattens, slows, and spreads, typically at a change in slope.
alluvial mining
nounC2
/əˈluː.vi.əl ˈmaɪ.nɪŋ/A method of mining where minerals like gold or diamonds are extracted from alluvial deposits, typically from riverbeds, floodplains, or beaches, using water to separate the valuable material from sediment.
alluvial plain
nounLow-frequency (specialised)
/əˌluː.vi.əl ˈpleɪn/A flat land area formed by sediment deposited by rivers or floods.
alluvion
nounC2
/əˈluː.vɪ.ən/The gradual addition of land to a shore or riverbank by the flow of water and the resulting deposit of sediment.

Showing 3381–3400 of 8734 words.