(medicine) infusion (perfusion) with a radioisotope

(transitive) To apply too much wax to. / (obsolete, intransitive) To wax or grow too rapidly or too much.

Alternative form of drivetrain

(astronomy) A unit of zodiacal dust, equal to the amount of interplanetary dust in the inner solar system, which absorbs light and re-radiates it with a luminosity about 10⁻⁷ that of the sun.