headroom

head·room  (hdrm, -rm)

n.

1. Space above one's head, as in a motor vehicle, above a doorway, or in a tunnel; clearance.

2. Electronics Dynamic headroom.

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headroom or headway

Noun

the space below a roof or bridge which allows an object to pass or stay underneath it without touching it

Thesaurus

Noun	1.	headroom - vertical space available to allow easy passage under something headway, clearance elbow room, room, way - space for movement; "room to pass"; "make way for"; "hardly enough elbow room to turn around"
	2.	headroom - the capacity of a system to reproduce loud sounds without distortion dynamic headroom high fidelity, hi-fi - the reproduction of sound with little or no distortion

Translations

headroom [ˈhɛdrum] n (in car) → altura interior;

(under bridge) → (límite m de) altura

headroom [ˈhɛdrum] head n (in car) → hauteur f de plafond;

(under bridge) → hauteur limite; dégagement m

headroom [ˈhɛdrum] head n (in car) → Kopfraum m;

(under bridge) → lichte Höhe f

headroom [ˈhɛdrum] n (in car) → altezza dell'abitacolo;

(under bridge) → altezza limite