radiometric magnitude
Astronomy
noun
A measure of the intensity of the total radiation emitted by a celestial object that reaches the earth's surface, typically expressed on a scale in which zero is the visual magnitude of a type A0 star.
Origin
1920s.
- wearisomely
- wearisomeness
- wear off
- wear on
- wear oneself to a shadow
- wear one's heart on one's sleeve
- wear-resistant
- wear someone/thing down
- wear someone/thing out
- wear something out (also wear out)
- wear the silver fern
- wear the trousers
- wear thin
- weary
- wearying
- wearyingly
- weasand
- weasel
- weasel-faced
- weaselly
- weasel's snout
- weasel words
- weather
- weather balloon
- weather-beaten