Nouns in english starting with A

• activity — Noun – English ～ the state of being active; "his sphere of activity"; "he is out of action"
• activity — Noun – English ～ a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
• activity — Noun – English ～ an organic process that takes place in the body; "respiratory activity"
• activity — Noun – English ～ the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"
• activity — Noun – English ～ (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"
• activity — Noun – English ～ any specific behavior; "they avoided all recreational activity"
• actomyosin — Noun – English ～ a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions
• actor — Noun – English ～ a theatrical performer
• actor — Noun – English ～ a person who acts and gets things done; "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker"
• actress — Noun – English ～ a female actor
• acts — Noun – English ～ a New Testament book describing the development of the early church from Christ's Ascension to Paul's sojourn at Rome
• actualisation — Noun – English ～ making real or giving the appearance of reality
• actuality — Noun – English ～ the state of actually existing objectively; "a hope that progressed from possibility to actuality"
• actualization — Noun – English ～ making real or giving the appearance of reality
• actuary — Noun – English ～ someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)
• actuation — Noun – English ～ the act of propelling
• actuator — Noun – English ～ a mechanism that puts something into automatic action
• acuity — Noun – English ～ sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
• acuity — Noun – English ～ a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"
• Acular — Noun – English ～ nonsteroidal anti-inflammatory drug (trade names Acular and Toradol) that is administered only intramuscularly

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