ETHIONIC
Eth`i*on"ic, a. Etym: [Ethyl + thionic.] (Chem.)
Definition: Pertaining to, derived from, or designating, an acid so called. Ethionic acid (Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.
Source: Webster’s Unabridged Dictionary 1913 Edition
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21 April 2025
ENCYCLOPEDIA
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
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