Hypertext Webster Gateway: "headroom"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Headroom \Head"room`\, n. (Arch.)
See {Headway}, 2.
From WordNet (r) 1.7 (wn)
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}]
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