methyl salicylate
Liquid ester C8H8O3 obtained from the leaves of wintergreen (Gaultheria
procumbens) or the bark of a birch (Betula lenta); now made
synthetically, and used as a flavoring and a counterirritant.
motherwort
Eurasian plants of the genus Leonurus, especially L. cardiaca, a weed
having clusters of small purple or pink flowers.
mugwort
Aromatic plants of the genus Artemisia, especially A. vulgaris, native
to Eurasia; used as a condiment.
mustard plaster (sinapism)
Medicinal plaster made with a paste-like mixture of powdered black
mustard, flour, and water, used as a counterirritant.
nephritis
Various acute or chronic inflammations of the kidneys, such as Bright's
disease.
naphthalene (naphthaline, tar camphor)
White crystalline compound, C10H8, derived from coal tar or petroleum
and used in manufacturing dyes, moth repellents, and explosives and as a
solvent.
nebulize
To convert a liquid to a fine spray; atomize.
To treat with a medicated spray.
nainsook
Soft lightweight muslin used for babies.
Neroli
An essential oil made by distilling the flowers of the orange; it is
used in perfume.
nitre (niter, saltpeter)
Potassium nitrate, KNO3, used in making gunpowder.