Sulfide - Nomenclature. 1  The systematic names sulfanediide and sulfide (2â), valid IUPAC names, are determined according to the substitutive and additive nomenclatures, respectively.
Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as Nuclear Weapon States by the Treaty on the Non-Proliferation of Nuclear Weapons, also known as the Nuclear Non-Proliferation Treaty or NPT.
Word Origin & History. proliferation 1867, formation or development of cells, from Fr. proliferation, from prolifere producing offspring, from L. proles offspring (see prolific) + ferre to bear (see infer). Meaning enlargement, extension, increase is from 1920; especially of nuclear weapons (1966).