Top Definition
(n) The quantum of odor, that is, the smallest amount of odor which can exist independently. The unit of the Procton is the Smith, however, due to the large magnitude of the Smith, most commonly encountered odors are measured in picosmiths or femtosmiths.
He cut a loud, wet one, sending out a spreading cloud of Proctons like the ring around Uranus.
by DukieP April 28, 2005

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