A scientific instrument used to measure gaydiation
from a source of gaydioactive
material. This takes the form of alpha particles, beta particles, and gaymma
Most often, the gaydioactivity
is measured in Gays
. A reading of above gayghty-gayght Gays is very very gay, and you should get the hell away from the source of it.
Also, if you emit gaydiaton, you're super gay plus one