headroom

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headroom

Where it comes from

From head + room.

noun headrooms

countable, uncountable The vertical clearance above someone's head, as in a tunnel, doorway etc; room (space) for one's head.
countable, uncountable The vertical measurement, top to bottom, for example for clearance under a bridge. With a rare and beautiful ease one can now ring up a boffin, as I did the other day, and say: "As a price for not opposing our Parliamentary Powers for a new marshalling yard, the Council at X demands that the bridge over X Lane shall have 16 ft. 6 in. headroom. This means steepening our gradient fr
countable, uncountable The ability of a system to reproduce loud sounds free of distortion; dynamic headroom. […] the difference between signal-to-noise ratio and overload reserve (headroom) as well as noise (safety) margin (footroom).
countable, uncountable The distance between the actual performance of an algorithm and its maximum possible performance.
countable, uncountable Synonym of headspace (“space between the top of the contents of a container and its seal”). For whole pickles and fruit preserves, leave no less than ½ inch of headroom at the top of the jars […]
Similar: headspace

Translations

Every language

noun vertical clearance

Español	pierrecto
Deutsch	Kopffreiheit

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MLA

"headroom." Wiktionary, via Micwyn, micwyn.com/word/headroom. Accessed 6 Nov. 2026.

APA

headroom. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/headroom

Chicago

"headroom." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/headroom.

BibTeX

@misc{headroom_2026,
  title = {headroom},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/headroom},
  urldate = {2026-11-06}
}