Nouns starting with A that are validated

• act — Noun – English ～ a legal document codifying the result of deliberations of a committee or society or legislative body
• act — Noun – English ～ a subdivision of a play or opera or ballet
• act — Noun – English ～ a short performance that is part of a longer program; "he did his act three times every evening"; "she had a catchy little routine"; "it was one of the best numbers he ever did"
• act — Noun – English ～ a manifestation of insincerity; "he put on quite an act for her benefit"
• Actaea — Noun – English ～ baneberry
• ACTH — Noun – English ～ a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex
• Actias — Noun – English ～ luna moths
• Actifed — Noun – English ～ trade name for a drug containing an antihistamine and a decongestant; used to treat upper respiratory conditions and minor allergies
• actin — Noun – English ～ one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form
• Actinaria — Noun – English ～ sea anemones
• acting — Noun – English ～ the performance of a part or role in a drama
• Actinia — Noun – English ～ a genus of sea anemone common in rock pools
• actinia — Noun – English ～ any sea anemone or related animal
• actinian — Noun – English ～ any sea anemone or related animal
• Actiniaria — Noun – English ～ sea anemones
• actiniarian — Noun – English ～ any sea anemone or related animal
• actinide — Noun – English ～ any of a series of radioactive elements with atomic numbers 89 through 103
• Actinidia — Noun – English ～ small Asiatic woody vine bearing many-seeded fruit
• Actinidiaceae — Noun – English ～ tropical trees or shrubs or woody vines
• Actiniopteris — Noun – English ～ terrestrial ferns of tropical Asia and Africa

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