headroom
noun
Forms headrooms
- noun The vertical clearance above someone's head, as in a tunnel, doorway etc; room (space) for one's head.
- noun The vertical measurement, top to bottom, for example for clearance under a bridge.
- noun (electronics) The ability of a system to reproduce loud sounds free of distortion; dynamic headroom.
- noun The distance between the actual performance of an algorithm and its maximum possible performance.
- noun Synonym of headspace (“space between the top of the contents of a container and its seal”).
Synonyms
Etymology
From head + room.
Webster’s 1913
- noun See Headway, 2.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “headroom”, CC BY-SA 4.0. Details