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

Here are the results for the letter l

Lacrimal

Of or relating to tears

Lactation

1. Secretion or formation of milk by the mammary glands. 2. The period during which the mammary glands secrete milk.

Lassitude

Wearniness

Leukocytic

Of or related to the White blood cells in the body

Leukocytosis

Increased white blood cell count

Leukopenia

Reduced white blood cell count

Lichenification

Cutaneous thickening and hardening from continued irritation.

Lipids

Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in nonpolar organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells.

Lipoprotein

Any of a group of conjugated proteins in which at least one of the components is a lipid. Lipoproteins, classified according to their densities and chemical qualities, are the principal means by which lipids are transported in the blood.

Lumbar

Of, near, or situated in the part of the back and sides between the lowest ribs and the pelvis.