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Hydroxyl group | Definition, Structure, & Facts | Britannica
hydroxyl group (―OH), in chemistry, a functional group with one hydrogen and one oxygen atom.An oxygen atom normally forms two σ bonds with other atoms; the water molecule, H 2 …
Hydroxyl Definition & Meaning - Merriam-Webster
The meaning of HYDROXYL is the chemical group, ion, or radical OH that consists of one atom of hydrogen and one of oxygen and is neutral or negatively charged.
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