worksheet
(chemistry) Any of a class of organic compound formed by addition of an oxygen atom to an amine - R₃N⁺-O⁻, but sometimes written R₃N=O.
(Internet slang, text messaging) Initialism of screaming with laughter.
(archaic) second-person singular simple present form of twine
A sheet of paper or computerized document on which problems are worked out or solved and answers recorded.
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