Octet rule
noun
in chemistry, the statement that when atoms combine to form molecules they generally each lose, gain, or share valence electrons until they attain or share eight; also called Lewis rule of eight
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[ok-til-yuh n] /ɒkˈtɪl yən/ noun, plural octillions (as after a numeral) octillion. 1. a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros. adjective 2. amounting to one octillion in number. /ɒkˈtɪljən/ noun 1. (in Britain and Germany) the number represented as […]
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1. variant of : octosyllabic. combining form 1. eight: octosyllabic, octagon word-forming element, before vowels oct-, from comb. form of Latin octo “eight” (see octa-). octo- or oct- or octa- pref. Eight: octan.
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[ok-toh-ber] /ɒkˈtoʊ bər/ noun 1. the tenth month of the year, containing 31 days. Abbreviation: Oct. 2. British. ale or beer traditionally brewed in this month. /ɒkˈtəʊbə/ noun 1. the tenth month of the year, consisting of 31 days c.1050, from Latin October (mensis), from octo “eight,” from PIE root *octo(u)- “eight” (see eight). Eighth […]
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[ok-toh-sen-ten-uh-ree, -sen-tn-er-ee or, esp. British, -sen-tee-nuh-ree] /ˌɒk toʊ sɛnˈtɛn ə ri, -ˈsɛn tnˌɛr i or, esp. British, -sɛnˈti nə ri/ adjective 1. pertaining to 800 or a period of 800 years; marking the completion of 800 years. noun, plural octocentenaries. 2. an 800th anniversary or its celebration. /ˌɒktəʊsɛnˈtiːnərɪ/ noun (pl) -naries 1. an eight-hundredth anniversary