Etymology
Advertisement

headroom (n.)

"space above the head," 1851, from head (n.) + room (n.).

updated on August 07, 2012

Advertisement
Advertisement
Definitions of headroom from WordNet

headroom (n.)
vertical space available to allow easy passage under something;
Synonyms: headway / clearance
headroom (n.)
the capacity of a system to reproduce loud sounds without distortion;
Synonyms: dynamic headroom
From wordnet.princeton.edu, not affiliated with etymonline.