Browse by letter

English Words Starting With A

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

Filter

Parts of speech

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

aristophanes of byzantium
nounVery Low
/ˌærɪˈstɒfəniːz əv bɪˈzæntɪəm/A Hellenistic scholar and grammarian who served as head of the Library of Alexandria in the 3rd–2nd centuries BCE, known for his critical editions of Greek texts and contributions to punctuation and accentuation.
aristoteles
nounVery Low
/ˌærɪˈstɒtɪliːz/The proper name of the ancient Greek philosopher and scientist Aristotle, often used in Latin or non-Anglicised contexts.
aristotelian
adjectivenounC2
/ˌærɪstəˈtiːliən/Relating to the Greek philosopher Aristotle or his philosophy.
aristotelian logic
nounLow
/ˌærɪstəˈtiːliən ˈlɒdʒɪk/The system of formal logic developed by Aristotle, primarily based on the syllogism as its central unit of reasoning.
aristotelianism
nounC2
/ˌærɪstəˈtiːliənɪzəm/The philosophical system derived from the works of the ancient Greek philosopher Aristotle, emphasising logic, empirical observation, teleology (purpose), and the distinction between form and matter.
aristotle
nounLow
/ˈær.ɪ.stɒt.əl/A common euphemism or slang term for a bottle, derived from rhyming slang 'Aristotle' = 'bottle'.
aristotle contemplating the bust of homer
nounVery Low
/ˈær.ɪ.stɒ.təl kənˈtem.pleɪ.tɪŋ ðə bʌst əv ˈhəʊ.mə/The title of a 1653 painting by Rembrandt depicting the Greek philosopher Aristotle thoughtfully looking at a bust of the poet Homer.
aristotle's lantern
nounC2 - Very Rare (Specialist Scientific Terminology)
/ˈærɪstɒtəlz ˈlæntən/The complex jaw apparatus of sea urchins (phylum Echinodermata), consisting of five calcareous plates that function together as a chewing and grinding structure.
aristotype
nounVery Rare / Obsolete
/ˈærɪstəʊˌtaɪp/A photographic printing process that uses silver salts, historically a faster and simpler alternative to earlier methods.
arithmancy
nounC2
/ˈær.ɪθ.mæn.si/Divination or fortune-telling using numbers, especially by assigning numerical values to letters in names or words.
arithmetic
adjectivenounB1
/əˈrɪθ.mə.tɪk/ (noun common); /ˌær.ɪθˈmet.ɪk/ (adj)The branch of mathematics dealing with the properties and manipulation of numbers, especially addition, subtraction, multiplication, and division.
arithmetic mean
nounLow
/ˌærɪθˈmɛtɪk miːn/The sum of a set of numbers divided by the count of numbers in the set; the average.
arithmetic progression
nounC2/Academic
/əˌrɪθ.mə.tɪk prəˈɡreʃ.ən/A sequence of numbers in which the difference between consecutive terms is constant.
arithmetician
nounC1
/əˌrɪθ.məˈtɪʃ.ən/A person skilled in or specializing in arithmetic; a mathematician who works with numbers and calculations.
arius
nounLow (found almost exclusively in technical, historical, or learned vocabulary)
/ˈɛərɪəs/A suffix of Latin origin, forming adjectives and nouns meaning "pertaining to" or "follower of," most commonly seen in scientific, religious, or taxonomic contexts.
arizona
nounB1
/ˌær.ɪˈzəʊ.nə/A state in the southwestern United States, known for its desert climate, Grand Canyon, and unique geography.
arjuna
nounVery low
/ˈɑːdʒʊnə/A species of large, sacred tree native to the Indian subcontinent (Terminalia arjuna).
ark
nounlow
/ɑːk/A large, vessel-shaped structure built to save people or animals from a flood.
ark shell
nounLow (Specialised/Niche)
/ˈɑːk ˌʃɛl/A type of marine bivalve mollusc, typically with a thick, boat-shaped shell.
arkadelphia
nounVery Low (Proper noun, geographically specific)
/ˌɑː.kəˈdɛl.fɪə/A proper noun, primarily referring to a specific city in the U.S. state of Arkansas.

Showing 6681–6700 of 8734 words.