1.Definition: a word formed from the initial letters of the several words in the name and pronounced as one word

"`NATO' is an initialism for North Atlantic Treaty Organization", "The word `scuba' is an acronym for s(elf)-c(ontained) u(nderwater) b(reathing) a(pparatus)"

Related Noun(s):acronym

Category: General

2.Definition: an abbreviation formed from the initial letters of the several words in the name and pronounced separately

"HTML is an initialism for HyperText Markup Language"

Category: General