hygienal

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• Vestibular tumor — Vestibular tumors are growths that tend to develop underneath the serous tissue of the sublinguinal region. They may be found anywhere between the chin and the larynx (or voicebox)and are not more inclined to one side of the body than the other.… …   Wikipedia

• hygienic — 1833, from Fr. hygiénique, from hygiène; see HYGIENE (Cf. hygiene). The earlier adjective was hygienal (1660s) …   Etymology dictionary