Definition of initialism in English:

initialism

Line breaks: ini¦tial|ism
Pronunciation: /ɪˈnɪʃ(ə)lɪz(ə)m
 
/

noun

An abbreviation consisting of initial letters pronounced separately (e.g. BBC). Compare with acronym.
More example sentences
  • An acronym is a word group created in a similar way to an initialism but which is pronounced as a word.
  • It is usually acceptable to start a sentence with an acronym or initialism that begins with a capital letter.
  • We have a photo gallery, an index of every article published from 1956 to present, and a list of aviation terms, acronyms, initialisms and jargon.

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Word of the day punctum
Pronunciation: ˈpʌŋ(k)təm
noun
a small, distinct point