hydroxyl - meaning and definition. What is hydroxyl
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What (who) is hydroxyl - definition

CHEMICAL GROUP
Hydroxyl group; Hydroxyl Group; Hydroxyl groups; -OH; OH group; Alcohol group; Hydroxylic; Hydroxyl; Secondary hydroxy group
  • Representation of an [[organic compound]] hydroxy group, where R represents a [[hydrocarbon]] or other organic moiety, the red and grey spheres represent oxygen and hydrogen atoms respectively, and the rod-like connections between these, [[covalent]] [[chemical bond]]s.
  • [[Sulfuric acid]] contains two hydroxy groups.

hydroxyl         
[h??'dr?ks??l, -s?l]
¦ noun [as modifier] Chemistry of or denoting the radical ?OH, present in alcohols and many other organic compounds.
Hydroxyl         
·noun A compound radical, or unsaturated group, HO, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, ·etc.
Hydroxy group         
In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy groups.

Wikipedia

Hydroxy group

In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula −OH and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy groups. Both the negatively charged anion HO, called hydroxide, and the neutral radical HO·, known as the hydroxyl radical, consist of an unbonded hydroxy group.

According to IUPAC definitions, the term hydroxyl refers to the hydroxyl radical (·OH) only, while the functional group −OH is called a hydroxy group.

Examples of use of hydroxyl
1. The team got at the constants‘ values by analyzing four frequencies of radiation from hydroxyl molecules.
2. He broke down the protein using enzymes and replaced the amino groups in the protein with hydroxyl groups.