a subject, issue, or topic that is being discussed or dealt with
The council discussed environmental matters at the meeting.
Let's move on to the next matter on the agenda.
a problem, difficulty, or reason for concern
What's the matter? You look upset.
If something's the matter, just tell me.
to be important or have significance
It doesn't matter where we sit; every seat has a good view.
What really matters is that you tried your best.
physical substance that takes up space and has mass
In science class, the teacher showed that ice, water, and steam are all forms of matter.
Astronomers study dark matter that cannot be seen with ordinary telescopes.
written or printed material such as text appearing in a book, newspaper, or other publication
The publisher asked the designer to arrange the front matter of the book.
All advertising matter must be approved before printing.
thick fluid such as pus produced by the body during infection or inflammation
The nurse cleaned the wound, removing yellow matter from around the stitches.
If the cut begins to ooze matter, you should see a doctor.
