(chemistry) The amount of an element whose mass in grams is that of its atomic weight; a mole of atoms.

nuclear forensics

plural of atomic pile

(US, slang) A prank in which a person's underpants are pulled up sharply from behind up over the head, or higher, in order to wedge the clothing uncomfortably between the person's buttocks.

(physics, atomic) The branch of physics that studies the internal structure of atomic nuclei.

(physics, atomic) Synonym of atomic physics

plural of atomic wedgie

A coherent state of propagating atoms, created out of a Bose-Einstein condensate.

Alternative form of atomic cocktail

(idiomatic, medicine) A drinkable liquid containing a radioactive substance, used in health care either as a diagnostic aid or as a treatment, especially for cancer of the thyroid.