guaiacol in American English. (ˈgwaɪəˌkɔl ; ˈgwaɪəˌkoʊl ) noun. a whitish, crystalline solid or slightly yellowish, oily liquid, C 6 H 4 (OH)OCH 3, prepared from guaiacum or wood creosote and used in medicine as an expectorant or antiseptic and as a chemical reagent. …
Medical definition of guaifenesin: the glyceryl ether of guaiacol C10H14O4 that is used especially as an expectorant —called also glyceryl guaiacolate.
Alternative name: o-methoxyphenol; chemical formula: HOC₆H₄OCH₃. ‘The two main synthetic sources of synthetic vanillin are from guaiacol (chemical industry) and from lignin (paper industry).’. guaiacol - WordReference English dictionary, questions, discussion and forums. All Free.
Look through examples of GSR translation in sentences, listen to pronunciation and learn grammar. The conversion of guaiacol, a prototypical compound representative of lignin-derived pyrolysis bio-oils, was catalyzed by Pt/Al2O3 in the presence of H2 at 573 K. The conversion took place with a high selectivity for aromatic carbon–oxygen bond cleavage relative to the accompanying methyl group transfer reactions. This oxygen removal was not observed in the absence of H2 as a co-reactant. Indications and dosages Cough due to upper respiratory tract infection Adults: 200 to 400 mg P.O. q 4 hours (not to exceed 2,400 mg/day), or 600 to 1,200 mg P.O. (extended-release tablets) q 12 hours (not to exceed 2,400 mg/day) Children ages 6 to 12: 100 to 200 mg P.O. q 4 hours (not to exceed 1,200 mg/day), or 600 mg P.O. (extended-release) q 12 hours (not to exceed 1,200 mg/day) Guaiac definition: a greenish-brown resin from the wood of two species of guaiacum ( Guaiacum sanctum and G | Meaning, pronunciation, translations and examples Take control of your calls. Forward calls to any device and have spam calls silently blocked. With Voice, you decide who can reach you and when. Guahan synonyms, Guahan pronunciation, Guahan translation, English dictionary definition of Guahan.
guaiac synonyms, guaiac pronunciation, guaiac translation, English dictionary definition of guaiac. n. 1.
This video shows you how to pronounce Guaiacol
See more. Medical definition of guaiacol: a fragrant liquid or solid compound C7H8O2 obtained by distilling guaiacum or from wood-tar creosote or made synthetically and used chiefly as an expectorant and as a local anesthetic.
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2018-01-06 guai•a•col (gwī′ə kōl′, -kôl′), USA pronunciation n. [Pharm.] Drugs a slightly yellowish, aromatic, crystalline substance, C 7 H 8 O 2, resembling creosote and usually obtained from guaiacum resin: used in … An oily yellow liquid with a penetrating odor, obtained by distilling wood tar or guaiac, used as a flavoring and an expectorant.
The wood of a guaiacum.
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(Singapore) IPA: guaiacol (English) Origin & history guaiacum, from which it can guaiacolate (English) Origin & history guaiacol + -ate Noun . Guaiacol definition, a slightly yellowish, aromatic, crystalline substance, C7H8O2, resembling creosote and usually obtained from guaiacum resin: used in medicine chiefly as an expectorant and local anesthetic. Medical definition of guaiacol: a fragrant liquid or solid compound C7H8O2 obtained by distilling guaiacum or from wood-tar creosote or made synthetically and used chiefly as an expectorant and as a local anesthetic.
[Pharm.] Drugs a slightly yellowish, aromatic, crystalline substance, C 7 H 8 O 2, resembling creosote and usually obtained from guaiacum resin: used in medicine chiefly as an expectorant and local anesthetic. Also called methylcatechol.
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How do you say 4-vinyl guaiacol? Listen to the audio pronunciation of 4-vinyl guaiacol on pronouncekiwi How To Pronounce 4-vinyl guaiacol: 4-vinyl guaiacol pronunciation
How to pronounce guaiacol · guaiacolate · guaiac test · guaiacum · guaifenesin · guanase · See More Nearby Entries. Cite this Entry. “Guaiac test.” Merriam-Webster.com Medical guaiacol guaiacols guaiacs guaiacum guaiacums guaiocum guaiocums guan pronucleus pronucleuses pronunciamento pronunciamentos pronunciation (chemistry) The aromatic compound with chemical formula C 10 H 12 O 2 , an allyl chain-substituted guaiacol of the phenylpropanoids, found in essential oils but the majority of food-grade (> 99% pure) vanillin is made from guaiacol. [2] The English pronunciation derives from a southern Chinese reading, similar Arthralgia definition and pronunciation.
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Although it is biosynthesized by a variety of organisms, [3] this aromatic oil is usually derived from guaiacum or wood creosote .