A male genital piercing in which a barbell passes through the head of the penis horizontally. It may be transurethral or placed above the urethra.

The root mean square of the electrical current which a device (usually a wire) can carry within a specific environment (including temperature rating, power loss, heat dissipation, etc.) It is measured in amperes (amps) and is most often used to rate electrical wires and cables.

Initialism of aminomethylphosphonic acid. / α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid: a specific agonist for the AMPA receptor, where it mimics the effects of the neurotransmitter glutamate.

Initialism of American Military Partner Association.

A surname from Spanish.

plural of Amparan

plural of ampalaya

(mineralogy) Synonym of samarskite