note down(redirected from note it down)
To write something down, often hastily or carelessly. A noun or pronoun can be used between "note" and "down." Let me just grab a pen so I can note that number down. Here, I noted down some ideas for you.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
note something down
to write down a note about something. Please note these words down. Note down the following facts.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.