- ra|di|om|e|ter
- ra|di|om|e|ter «RAY dee OM uh tuhr», noun.1. an instrument used for indicating the transformation of radiant energy into mechanical force, consisting of an exhausted glass vessel containing vanes which revolve on an axis when exposed to light.2. an instrument based on the same principle, but used for detecting and measuring small amounts of radiant energy.
Useful english dictionary. 2012.