rayometer
/reɪˈɒmɪtə/rare. Now disused
noun
Any of several instruments used in the measurement of radiant energy or light.
Origin
Late 19th century. From ray + -ometer.
- Fassbinder, Rainer Werner
- fast
- fast and furious
- fastback
- fastball
- fast break
- fast breeder
- fast breeder reactor
- fast-casual
- fast day
- fasten
- fastener
- fastening
- Fastext
- fast-flowing
- fast follower
- fast food
- fast forward
- fast-growing
- Fast, Howard Melvin
- fast ice
- fastidious
- fastidiously
- fastidiousness
- fastie