headroom

About 0.15 uses per million words.

Meaning

1. noun The vertical clearance above someone's head, as in a tunnel, doorway etc; room (space) for one's head.
2. noun The vertical measurement, top to bottom, for example for clearance under a bridge.
3. noun The ability of a system to reproduce loud sounds free of distortion; dynamic headroom.
4. noun The distance between the actual performance of an algorithm and its maximum possible performance.
5. noun Synonym of headspace (“space between the top of the contents of a container and its seal”).

Similar words

dynamic headroom clearance headway leeway padding room overhead height footprint scalable

Often followed by

for is and in of to under at than

Word family

headrooms