| oil of eucalyptus | Volatile oil from the fresh leaves of Eucalyptus globulus (family Myrtaceae) and some other species of Eucalyptus; native to Australia; pungent oil with a spicy, cooling taste. Has been used as an aromatic in inhalants, as an expectorant, anthelmintic, and local antiseptic. (05 Mar 2000) |
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| eucalyptus | <botany> A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia. They have rigid, entire leaves with one edge turned toward the zenith. most of them secrete resinous gums, whence they called gum trees, and their timber is of great value. Eucalyptus Globulus is the blue gum; E. Aigantea, the stringy bark: E. Amygdalina, the peppermint tree. E. Gunnii, the Tasmanian cider tree, yields a refreshing drink from wounds made in the bark in the spring. Center species yield oils, tars, acids, dyes and tans. It is said that miasmatic valleys in Algeria and Portugal, and a part of the unhealthy Roman Campagna, have been made more salubrious by planting groves of these trees. Origin: NL, from GR. Well, good + covered. The buds of Eucalyptus have a hemispherical or conical covering, which falls off at anthesis. Source: Websters Dictionary (01 Mar 1998) |
| eucalyptus gum | A dried gummy exudation from Eucalyptus rostrata and other species of Eucalyptus (family Myrtaceae); used as an astringent (in gargles and troches) and as an antidiarrhoeal agent. Synonym: red gum. (05 Mar 2000) |
| eucalyptus oil | The volatile oil distilled with steam from the fresh leaf of Eucalyptus globulus or some other species of Eucalyptus; contains not less than 70% of eucalyptol; used as an antiseptic and expectorant. (05 Mar 2000) |
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