Volatile oil, also known as essential oil, an oil derived from plants with aromatic compounds used in cosmetics and flavoring Volatile acidity, a term used in winemaking to indicate an unacceptably high level of acid or vinegar and baking soda. In computer science: Volatile variables, variables that can be changed by an external process
Horology definition, the art or science of making timepieces or of measuring time. See more.
a person or thing that regulates. 2. Horology. an adjustable device in a clock or a watch for making it go faster or slower. a master clock, usually of great accuracy, against which other clocks are checked.