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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)

archimedes
nounC1
/ˌɑː.kɪˈmiː.diːz/Ancient Greek mathematician, physicist, engineer, inventor and astronomer from Syracuse (c. 287–212 BCE), famous for principles of buoyancy and leverage.
archimedes' principle
nounC2
/ˌɑː.kɪˈmiː.diːz ˈprɪn.sə.pəl/A law of physics stating that when a body is wholly or partially immersed in a fluid, it experiences an upthrust equal to the weight of the fluid displaced.
archimedes' screw
nounC1
/ˌɑːkɪˈmiːdiːz skruː/A simple machine for raising water, consisting of a spiral tube or inclined screw rotated within a cylinder.
archine
nounVery Low / Obsolete
/ɑːˈkiːn/An obsolete unit of length used in Russia and Turkey, approximately equivalent to 28 inches (71.12 cm).
arching
nounC1
/ˈɑːtʃɪŋ/The action or instance of forming a curved or arched shape, as a verb or the resulting adjective describing something shaped like an arch.
archipelago
nounC1
/ˌɑː.kɪˈpel.ə.ɡəʊ/A group or chain of islands.
archipenko
nounRare
/ˌɑːkɪˈpɛŋkəʊ/A surname, most commonly associated with the influential 20th-century Ukrainian-American sculptor Alexander Archipenko.
archiphoneme
nounVery Low (Specialist)
/ˈɑːkɪˌfəʊniːm/A theoretical phonological unit representing the set of distinctive features that remain when the contrast between two or more phonemes is neutralised in a particular phonetic environment.
archiplasm
nounExtremely Rare / Obsolete
/ˈɑːkɪˌplæzəm/The fundamental living substance or formative material of a cell, especially the protoplasm in its most essential, active state.
architect
nounverbverb-transitiveB2
/ˈɑː.kɪ.tekt/A person who designs buildings and supervises their construction.
architectonics
nounC2
/ˌɑː.kɪ.tekˈtɒn.ɪks/The scientific study of architecture or the structural design of buildings.
architectural bronze
nounLow
/ˌɑː.kɪˈtek.tʃər.əl brɒnz/A specific alloy of copper, zinc, and lead used primarily in architectural applications for its durability, corrosion resistance, and distinctive reddish-brown colour.
architecture
nounB2
/ˈɑː.kɪ.tek.tʃər/The art and science of designing and constructing buildings.
architecture parlante
nounC2 (Very Rare / Specialized)
/ˌɑːkɪˈtɛktʃə pɑːˈlɑːnt/A style of architecture where the design of a building explicitly communicates its function or purpose through its form.
architrave
nounLow (technical/architectural)
/ˈɑː.kɪ.treɪv/The lowest section of an entablature in classical architecture, resting directly on top of columns.
archival storage
nounLow
/ɑːˈkaɪvəl ˈstɔːrɪdʒ/The long-term preservation and secure storage of documents, records, or data in a stable, controlled environment to ensure their future accessibility and integrity.
archive
nounverbverb-transitiveB2
/ˈɑː.kaɪv/A collection of historical documents or records; the place where such records are stored.
archivist
nounC1
/ˈɑːkɪvɪst/A person whose job is to manage and maintain a collection of historical documents and records.
archivolt
nounC2 (Very Rare)
/ˈɑːkɪvəʊlt/A decorative band of molding or ornamentation following the curve on the underside of an arch.
archliberal
adjectivenounVery Rare / Obscure
/ˌɑːtʃˈlɪb(ə)rəl/A person who is a very strong or extreme advocate of liberal principles.

Showing 6461–6480 of 8734 words.