Dilate

1.

(INTRANSITIVE) រីក, ពង្រីក

2.

(TRANSITIVE) ធ្វើឱ្យរីក, ប៉ោង
Example: The pupils of your eyes dilate when, you enter a dark room.

Synonyms

1.

augment, broaden, increase, widen

Antonyms

1.

abridge, contract, diminish, restrict, shrink