Webster’s Revised Unabridged Dictionary · 1913
Radiometry
Ra′di·om′e·try, n. (Physics) The use of the radiometer, or the measurement of radiation. — Ra′di·o·met′ric (#), a.
Webster’s Revised Unabridged Dictionary · 1913
Ra′di·om′e·try, n. (Physics) The use of the radiometer, or the measurement of radiation. — Ra′di·o·met′ric (#), a.