hydroxyl

or hy·drox·y

[ hahy-drok-suhl ]

Phonetic (Standard)IPA

adjective

hydroxyl

/ haɪˈdrɒksɪl /

modifier of, consisting of, or containing the monovalent group -OH or the ion OH ^–
a hydroxyl group or radical

hydroxyl

/ hī-drŏk′sĭl /

The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.

First recorded in 1865–70; hydr- ² + ox(y)- ² + -yl

Another toxic component of the fuel was hydroxyl-terminated polybutadiene, a form of rubber.

Those four atoms are called the methyl group, and a methyl group combined with a hydroxyl group forms methyl alcohol.

First, the hydrogen is displaced by the chlorine: then the chlorine is turned out and its place taken by the hydroxyl.

It is best detected in acid solutions by the deep brown or iodine colour developed on adding hydroxyl.

Now these phenols are all more or less acid in character by virtue of the hydroxyl-group which they contain.

The substitution of a hydrogen atom by the hydroxyl group generally occasions a rise in boiling-point at about 100.

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