Capable of operating without external control or intervention. / Done out of habit or without conscious thought. / Necessary, inevitable, prescribed by logic, law, etc.

A type of thermal oxidizer for treating air pollutants of all types, especially VOCs and odours, by burning the gases in an oven at about 800ºC for about 1 second, while recuperating part of the he...

Any of several scarab beetles, including the cockchafer, leaf chafer, and rose chafer.

Used in the names of regions in the Middle East and Central Asia which were historically influenced by Persian and Turkic cultures.