GLOSSARY

The Oils and Plants Aromatherapy Glossary gives definitions of Aromatherapy and Herbal Terms.

Here are the results for the letter o


Occlusions
The covering of the skin with an impermeable material which prevents evaporation of a volatile substance from the skin.

Oxidation
Adding oxygen

Oxidation
The addition of oxygen to, or the removal of electrons or hydrogen from, an organic molecule.

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