Definition of italic :
1. An letter, character, or type ( see Italic, a., 2.); - often in the plural; as, the Italics are the author's. letters are used to distinguish words for emphasis, importance, antithesis, etc. Also, collectively, letters.
2. Applied especially to a kind of type in which the letters do not stand upright, but slope toward the right; - so called because dedicated to the States of Italy by the inventor, Aldus Manutius, about the year 1500.
3. Relating to Italy or to its people.
- Underscores have been used to indicate italic fonts. - "The History of the Negro Church", Carter Godwin Woodson.
- The overall italic markup has been omitted for readability. - "The Works of Aphra Behn, Vol. I (of 6)", Aphra Behn.
- Italic typeface has been represented by the use of underscores. - "The Nature of Animal Light", E. Newton Harvey.