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A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
A thesaurus or synonym dictionary lists similar or related words; these are often, but not always, synonyms. [15] The word poecilonym is a rare synonym of the word synonym. It is not entered in most major dictionaries and is a curiosity or piece of trivia for being an autological word because of its meta quality as a synonym of synonym.
Preparation may refer to: Preparation (dental), the method by which a tooth is prepared when removing decay and designing a form that will provide adequate retention for a dental restoration; Preparation (music), treatment of dissonance in tonal music; Preparation, Iowa, a ghost town; Preparation time, time to prepare speeches in policy debate
2-Methoxynaphthalene, also called β-naphthol methyl ether or yara yara, [2] is a stabilizer found in gunpowder, particularly smokeless gunpowders.It is soluble in alcohol, and insoluble in water and dipropylene glycol.
In the preparation of The Standard Dictionary, Fernald was editor of synonyms, antonyms, and prepositions, and he was editor-in-chief of the Students' Standard Dictionary and other abridgments. He was editor also of The Classic Speller , Scientific Side-Lights and, for a time, of The Homiletic Review .
Simone Biles continues her journey to a third Olympic Games as she competes at this week’s Xfinity US Gymnastics Championships.. Biles, a seven-time Olympic medalist, is set to headline the ...
German chemist Hermann Kolbe discovered MSA between 1842 and 1845 and originally termed it methyl hyposulphuric acid. [4] [5] [6]The discovery stemmed from earlier work by Berzelius and Marcet in 1813, who treated carbon disulfide with moist chlorine and produced a compound they named "sulphite of chloride of carbon".
p-Toluenesulfonic acid (PTSA, pTSA, or pTsOH) or tosylic acid (TsOH) is an organic compound with the formula CH 3 C 6 H 4 SO 3 H.It is a white extremely hygroscopic solid that is soluble in water, alcohols, and other polar organic solvents. [6]