Definition of italicization in US English:

italicization

(British italicisation)

noun

  • See italicize

    • ‘The italicisation of quotations is in the original.’
    • ‘The normal convention of italicisation of journal names and book titles should be adopted.’
    • ‘In case it is impossible to use italicisation one may underline the italicised parts of the examples above.’
    • ‘Again, the italicization of the word highlights its peculiarity.’
    • ‘One of the several accepted uses of italicisation in a text is to signal that a word or phrase is foreign.’

Pronunciation

italicization

/iˌtalisiˈzāSHən/