(physics) A device used to map the atomic structure of a surface by measuring the force acting on the very fine tip of a wire moved over the surface

plural of atomic mass unit

(chemistry, physics) A quantitative analytical technique in which the content of various elements are measured via their absorption of light

(physics, chemistry) A form of analytical spectroscopy that measures the radiation emitted at specific wavelengths by the atoms in a very hot sample

plural of atomic force microscope

plural of average atomic mass

(US, cooking, slang, mildly vulgar) A spicy barbecue snack, typically a jalapeño stuffed with cheese and wrapped in bacon.

plural of atomic buffalo turd

(simile, uncommon) With absolute regularity and precision; faultlessly.

(physics, chemistry, dated) Pedantic form of mass number. Symbol: A.