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English Words Starting With A
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- arborvitae/ˌɑː.bəˈvɪt.i/A type of evergreen coniferous tree (typically from the Thuja genus) with dense, scale-like leaves, often planted for hedges or ornamental landscaping.nounLow
- arbour/ˈɑː.bə(r)/A shady garden shelter, usually made of latticework on which plants such as climbing roses or vines are grown.nounLow
- arbovirus/ˈɑː.bə(ʊ)ˌvaɪ.rəs/A virus transmitted to humans or animals by blood-sucking arthropods like mosquitoes, ticks, and sandflies.nounRare (Outside specific scientific/medical contexts)
- arbroath/ɑːrˈbrəʊθ/A town on the east coast of Scotland, in the council area of Angus.nounLow
- arbus/ˈɑːbəs/A shrub of the genus Arbutus, characterized by strawberry-like fruits and bark that peels naturally, such as the strawberry tree.nounRare / Technical
- arbuscular mycorrhiza/ɑːˌbʌskjʊlə maɪkəˈraɪzə/A symbiotic association between certain fungi and plant roots, characterized by the formation of arbuscules (tree-like branching structures) inside the root cells.nounRare
- arbuthnot/ˈɑːbəθnət/A proper noun, specifically an anglicized Scottish surname.nounExtremely low
- arbutus/ɑːˈbjuːtəs/A genus of small trees or shrubs known for their reddish, peeling bark, evergreen leaves, and clusters of small white or pink bell-shaped flowers, followed by rough, strawberry-like red berries.nounC2/Rare
- arc/ɑːk/A curved line or shape, like a segment of a circle.abbreviationnounB2
- arc cosecant/ˌɑːk ˈkəʊsiːkənt/The inverse trigonometric function of the cosecant; the angle whose cosecant is a given number.nounVery Low
- arc cosine/ˌɑːk ˈkəʊ.saɪn/The inverse function of the cosine; the angle whose cosine is a given number.nounVery Low (Technical)
- arc cotangent/ˌɑːk kəʊˈtændʒənt/The inverse function of the cotangent. For a given real number x, it is the angle (in a specified interval, usually 0 to π radians) whose cotangent is x.nounC2
- arc de triomphe/ˌɑːk də ˈtriːɒ̃f/A large, iconic triumphal arch in Paris, France, located at the western end of the Champs-Élysées, built to honor those who fought and died for France in the French Revolutionary and Napoleonic Wars.nounC1
- arc furnace/ɑːk ˈfɜːnɪs/An industrial furnace that uses an electric arc to generate intense heat for melting metals.nounLow
- arc light/ˈɑːk laɪt/An intense artificial light source produced by an electric arc passing between two electrodes, typically made of carbon.nounC1
- arc of lowitz/ɑːk əv ˈləʊvɪts/An optical atmospheric phenomenon appearing as a rare, faint arc of light extending from the 22° parhelion (sun dog) downwards towards the 22° halo.nounVery Rare (Technical)
- arc secant/ˌɑːk ˈsiːkənt/The inverse function of the secant (in trigonometry). For a given value x, it returns the angle whose secant is x.nounC2 (Highly technical)
- arc second/ˈɑːk ˌsɛk.ənd/A unit of angular measurement equal to 1/3600th of a degree, used primarily in astronomy, geography, and surveying.nounLow
- arc sine/ˌɑːk ˈsaɪn/The inverse function of the sine; for a given number between -1 and 1, it returns the angle (in radians or degrees) whose sine is that number.nounC2
- arc spectrum/ˈɑːk ˌspɛk.trəm/The spectrum of light emitted by an electric arc, typically used in physics and chemistry to analyze the elemental composition of a material.nounC2
Showing 6341–6360 of 8734 words.