n 1 o 1 n 1 p 3 r 1 o 1 l 1 i 1 f 4 e 1 r 1 a 1 t 1 i 1 o 1 n 1
16 letters · 21 points in Scrabble
Meaning
noun the prevention of something increasing or spreading (especially the prevention of an increase in the number of countries possessing nuclear weapons)
originEtymology tree English non- French proliférer Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ation Middle French -ation French -ation French proliférationbor. English proliferation English nonproliferation From non- + proliferation.
Etymology from Wiktionary, CC BY-SA 3.0