Headroom \Head"room`\ (-r[=oo]m`), n. (Arch.)
See Headway, 2. [Mostly Brit.]
[1913 Webster +PJC]
The Collaborative International Dictionary of English v.0.48
headroom
n 1: vertical space available to allow easy passage under
something [syn: headway, clearance]
2: the capacity of a system to reproduce loud sounds without
distortion [syn: dynamic headroom]
WordNet (r) 2.0
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