The adjective and verb are pronounced /kəmpækt/. The noun is pronounced /kɒmpækt/.
( compacted)
1.
Compact things are small or take up very little space. You use this word when you think this is a good quality.
...my compact office in Washington.
...the new, more compact Czech government.
ADJ : usu ADJ n [ approval ]
• com‧pact‧ness
The very compactness of the cottage made it all the more snug and appealing.
N-UNCOUNT
2.
A compact person is small but strong.
He was compact, probably no taller than me...
ADJ
3.
A compact cassette, camera, or car is a small type of cassette, camera, or car.
ADJ : ADJ n
4.
To compact something means to press it so that it becomes more solid. ( FORMAL )
The Smith boy was compacting the trash...
The soil settles and is compacted by the winter rain.
= compress
VERB : V n , V n