English Dictionary

HYDROXYL

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 Dictionary entry overview: What does hydroxyl mean? 

HYDROXYL (noun)
  The noun HYDROXYL has 1 sense:

1. the monovalent group -OH in such compounds as bases and some acids and alcoholsplay

  Familiarity information: HYDROXYL used as a noun is very rare.


 Dictionary entry details 


HYDROXYL (noun)


Sense 1

Meaning:

The monovalent group -OH in such compounds as bases and some acids and alcohols

Classified under:

Nouns denoting substances

Synonyms:

hydroxyl; hydroxyl group; hydroxyl radical

Hypernyms ("hydroxyl" is a kind of...):

chemical group; group; radical ((chemistry) two or more atoms bound together as a single unit and forming part of a molecule)


 Context examples 


An anthocyanidin with hydroxyl groups at C-3, -5, -7, -3', and -4'.

(Cyanidin, NCI Thesaurus/CRCH)

An isoflavone with a hydroxyl group on the B-ring.

(Daidzein, NCI Thesaurus/CRCH)

An anthocyanidin with hydroxyl groups at C-3, -5, -7, -3', -4', and -5'.

(Delphinidin, NCI Thesaurus/CRCH)

Cordycepin incorporates into RNA, and, inhibits RNA chain elongation and synthesis due to the absence of a hydroxyl moiety at the 3' position.

(Cordycepin Triphosphate, NCI Thesaurus)

Triphosphate cordycepin can be incorporated into RNA, and inhibits transcription elongation and RNA synthesis due to the absence of a hydroxyl moiety at the 3' position.

(Cordycepin, NCI Thesaurus)

An isoflavone with a hydroxy-methyl group on the B-ring and a second hydroxyl group on the A-ring.

(biochanin A, NCI Thesaurus/CRCH)

A flavonol with a hydroxyl group at C-5, -7, -3', and -4'.

(Cianidanol, NCI Thesaurus/CRCH)

They can replace the hydrogen of an acid and form bases with hydroxyl radicals.

(Metal, NCI Thesaurus)

A kaempferol with a hydroxyl group at C-3' and -5'.

(Myricetin, NCI Thesaurus/CRCH)

An anthocyanidin with hydroxyl groups at C-3, -5, -7, -3', and -4', and a methoxyl group at C-5'.

(Petunidin, NCI Thesaurus/CRCH)



 Learn English with... Proverbs 
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