Words in english starting with A

• alpha rhythm — Noun – English ～ the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
• atrioventricular nodal rhythm — Noun – English ～ the normal cardiac rhythm when the heart is controlled by the atrioventricular node
• Arundo richardii — Noun – English ～ tall grass of New Zealand grown for plumelike flower heads
• alveolar ridge — Noun – English ～ a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth
• Atlantic ridley — Noun – English ～ grey sea turtle of the Atlantic and Gulf Coasts of North America
• air rifle — Noun – English ～ a gun that propels a projectile by compressed air
• assault rifle — Noun – English ～ any of the automatic rifles or semiautomatic rifles with large magazines designed for military use
• automatic rifle — Noun – English ～ light machine gun
• all right — Adverb – English ～ an expression of agreement normally occurring at the beginning of a sentence
• all right — Adverb – English ～ in a satisfactory or adequate manner; "she'll do okay on her own"; "held up all right under pressure"; (`alright' is a nonstandard variant of `all right')
• all right — Adverb – English ～ without doubt (used to reinforce an assertion); "it's expensive all right"
• all right — Adjective – English ～ being satisfactory or in satisfactory condition; "an all-right movie"; "the passengers were shaken up but are all right"; "is everything all right?"; "everything's fine"; "things are okay"; "dinner and the movies had been fine"; "another minute I'd have been fine"
• accordance of rights — Noun – English ～ the act of granting rights; "the accordance to Canada of rights of access"
• alto rilievo — Noun – English ～ a sculptural relief in which forms extend out from the background to at least half their depth
• Arthur Rimbaud — Noun – English ～ French poet whose work influenced the surrealists (1854-1891)
• Ar Rimsal — Noun – English ～ a desert in southern Saudi Arabia
• anchor ring — Noun – English ～ a toroidal shape; "a ring of ships in the harbor"; "a halo of smoke"
• annual ring — Noun – English ～ an annual formation of wood in plants as they grow
• Anemone riparia — Noun – English ～ thimbleweed of northern North America
• Anchusa riparia — Noun – English ～ anchusa of southern Africa having blue to red-purple flowers

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