phenol

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Phenol \Phe"nol\ (f[=e]"n[=o]l; 277), noun [Gr. fai'nein to show + -ol: cf. F. ph['e]nol.] (Chem.)

1. A white or pinkish crystalline substance, {C6H5OH}, produced by the destructive distillation of many organic bodies, as wood, coal, etc., and obtained from the heavy oil from coal tar.

Note: It has a peculiar odor, somewhat resembling creosote, which is a complex mixture of phenol derivatives. It is of the type of alcohols, and is called also {phenyl alcohol}, but has acid properties, and hence is popularly called {carbolic acid}, and was formerly called {phenic acid}. It is a powerful caustic poison, and in dilute solution has been used as an antiseptic.

2. Any one of the series of hydroxyl derivatives of which phenol proper is the type.

{Glacial phenol} (Chem.), pure crystallized phenol or carbolic acid.

{Phenol acid} (Chem.), any one of a series of compounds which are at once a derivative of phenol and an organic acid; thus, {salicylic acid} is a phenol acid.

{Phenol alcohol} (Chem.), any one of series of derivatives of phenol and carbinol which have the properties of both combined; thus, {saligenin} is a phenol alcohol.

{Phenol aldehyde} (Chem.), any one of a series of compounds having both phenol and aldehyde properties.

{Phenol phthalein}. See {phenolphthalein}.

From WordNet (r) 3.0 (2006) [wn]:

phenol

noun

1: any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups

2: a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally [syn: {carbolic acid}, {phenol}, {hydroxybenzene}, {oxybenzene}, {phenylic acid}]

1. Caduceus  2. Golden Key  3. Scales of Justice (Or maybe, 1. HEALTH 2. SECURITY 3. JUSTICE?)

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