(physics) The major stable isotope of chlorine, ³⁵₁₇Cl, having seventeen protons and eighteen neutrons; it amounts to about 76% of the element in nature

(physics) A radioactive isotope of sulfur, ³⁵₁₆S, having sixteen protons and nineteen neutrons, and a half-life of about 87 days; it is used as a tracer

(aircraft) Lockheed Martin F-35 Lightning II

plural of F-35

The fourth of June, the anniversary of the 1989 Tiananmen Square crackdown, known in China as the June Fourth Incident.

Abbreviation of thirty-fifth.

.357 Magnum (a class of firearm cartridge). / A firearm chambered for .357 Magnum cartridges.

plural of .357