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)

artery
nounB2
/ˈɑː.tər.i/a blood vessel that carries oxygen-rich blood away from the heart to the body
artesia
nounC1-C2
/ɑːˈtiːzɪə/A town or place name; also used historically and regionally to refer to a flowing well or a place with artesian wells.
artesian well
nounLow
/ɑːˌtiː.zi.ən ˈwel/A well that taps into a confined aquifer where water rises naturally under pressure, without the need for a pump.
arteveld
nounVery Low
/ˈɑːtəvɛld/A proper noun referring to a surname of Flemish origin, most famously associated with Jacob van Artevelde, a 14th-century statesman and political leader from Ghent.
artex
nounC2 / Very low
/ˈɑːtɛks/A proprietary brand name for a textured coating or ceiling finish applied to walls and ceilings for a decorative effect.
arthralgia
nounLow (Technical/Medical)
/ɑːˈθrældʒə/Pain in a joint or joints.
arthrectomy
nounLow
/ɑːˈθrɛktəmi/A surgical operation to remove part or all of a joint.
arthritic
adjectivenounC1
/ɑːˈθrɪtɪk/Relating to or suffering from arthritis, a medical condition causing inflammation and pain in the joints.
arthritis
nounC1
/ɑːˈθraɪtɪs/A medical condition causing painful inflammation and stiffness in one or more joints.
arthrobacter
nounVery Low
/ˌɑːθrəʊˈbæktə/A genus of Gram-positive, rod-shaped bacteria commonly found in soil.
arthrodesis
nounLow (specialized medical term)
/ɑːˈθrɒdɪsɪs/A surgical procedure that intentionally fuses two or more bones in a joint, eliminating movement at that joint.
arthrodia
nounVery Rare (C2+ Level Technical)
/ɑːˈθrəʊdɪə/A freely movable joint, a gliding or plane joint; a type of diarthrosis (synovial joint) where the bone surfaces are nearly flat, allowing only gliding movement.
arthrodire
nounVery Low
/ˈɑːθrə(ʊ)ˌdaɪə/An extinct order of heavily armored, jawed fishes from the Devonian period.
arthrogram
nounLow
/ˈɑːθrə(ʊ)ɡram/A diagnostic image of a joint, created by injecting a contrast agent (dye) and using X-ray, fluoroscopy, MRI, or CT scan.
arthrography
nounC2
/ɑːˈθrɒɡ.rə.fi/A medical imaging technique involving the injection of a contrast agent into a joint space to make its internal structures visible on X-rays or other imaging.
arthromere
nounRare / Very Low Frequency (Technical/Scientific)
/ˈɑːθrə(ʊ)mɪə/A body segment of an arthropod (e.g., insect, crustacean), corresponding to a somite.
arthropathy
nounC2+
/ɑːˈθrɒpəθi/A disease of a joint.
arthroplasty
nounLow
/ˈɑːθrə(ʊ)ˌplæsti/A surgical procedure to reconstruct or replace a joint.
arthropod
adjectivenounC1/C2
/ˈɑːθrəpɒd/An animal with a hard external skeleton and jointed legs, such as an insect, spider, or crab.
arthropoda
nounC2
/ɑːˈθrɒpədə/A major phylum of invertebrate animals characterized by segmented bodies, jointed limbs, and an exoskeleton.

Showing 7001–7020 of 8734 words.