Definition of mark something up in English:

mark something up

  • 2Annotate or correct text for printing, keying, or typesetting: they retyped the articles after the subeditors had marked them up in pencil
    More example sentences
    • These files would be mostly text files, but they would be marked up with a tag language (a subset of SGML called Hypertext Markup language, or HTML).
    • In the mid '70s, I got involved on the tail end of a really sexy project in publishing, creating a system that allowed editors to take text and mark it up on screen.
    • I had remembered to bring my copy, but I had already marked it up with all the comments I was going to make during the talk.
    Synonyms
    annotate, correct, label
See parent entry: mark

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Word of the day mage
Pronunciation: meɪdʒ
noun
a magician or learned person