1 entry 1 source
Radiometer
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
1. A forestaff.
2. An instrument designed for measuring the mechanical effect of radiant energy.
1 entry 1 source
Part of speech: noun (n.)
1. A forestaff.
2. An instrument designed for measuring the mechanical effect of radiant energy.