Inhalation Vapor, Liquid Dosage Form

**Semantic type:** Biomedical or Dental Material

**Definition:** Liquid preparation consisting of a liquid active substance per se, such as an essential oil or a volatile anesthetic, intended for generation of vapor to be inhaled. The vapor may be generated by adding the liquid to hot water or by the use of a vaporizing device.

**Synonyms:** - Inhalation vapour, liquid