il ‧ lus ‧ tra ‧ tion AC /ˌɪləˈstreɪʃ ə n/ BrE AmE noun
[ Word Family: noun : ↑ illustration , ↑ illustrator ; verb : ↑ illustrate ; adjective : ↑ illustrative ]
1 . [countable] a picture in a book, article etc, especially one that helps you to understand it:
The book contains 62 pages of illustrations.
2 . [uncountable and countable] a story, event, action etc that shows the truth or existence of something very clearly
illustration of
a striking illustration of 19th-century attitudes to women
For the purposes of illustration, some of the more important symptoms are listed below.
3 . [uncountable] the act or process of illustrating something