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单词 phenol
释义
phenol
(once / 19064 pages)
n

WORD FAMILY
phenol: phenols
USAGE EXAMPLES
The segment also produces ammonium-sulfate fertilizers and chemical intermediates, such as phenol and acetone.
Wall Street Journal(May 12, 2016)
While the results of weed killers such as sodium arsenite or the phenols are grossly obvious, some other herbicides are more insidious in their effects.
Rachel Carson, Silent Spring(1962)
Phenols are another class of chemicals that seem to affect behavior in a subgroup of kids and are banned in several other countries.
US News(Dec 30, 2015)
1n any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
Hypo|Hyper
pyrogallic acid, pyrogallol
a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer
creosol
a colorless to yellow aromatic liquid that is a constituent of creosote
cresol, methyl phenol
any of three poisonous colorless isomeric phenols; derived from coal or wood tar; used as a disinfectant
naphthol
either of two phenols derived from naphthalene
resorcinol
a crystalline phenol obtained from various resins; used in ointments for acne and in dandruff shampoos
tannic acid, tannin
any of various complex phenolic substances of plant origin; used in tanning and in medicine
thyme camphor, thymic acid, thymol
a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
cutch, kutch
tannin extract derived from any of several mangrove barks of Pacific areas
alpha-naphthol
an isomer of naphthol used in dyes
beta-naphthol
an isomer of naphthol used in rubber as an antioxidant
Lysol
a clear oily brown solution of cresols in soap; used as an antiseptic and disinfectant
catechin
a tannic acid that is extracted from black catechu as a white crystalline substance
organic compound
any compound of carbon and another element or a radical
2n a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
Syn|Hyper
carbolic acid, hydroxybenzene, oxybenzene, phenylic acid
acid
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
dissolvent, dissolver, dissolving agent, resolvent, solvent
a liquid substance capable of dissolving other substances
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更新时间:2024/11/10 14:11:01