Hinge and Zero hour

Hinge noun - A joint that holds two parts together so that one can swing relative to the other.

Zero hour and hinge are semantically related. In some cases you can use "Zero hour" instead a noun "Hinge".

Nearby Words: hinged, hinging

Zero hour noun - A time or state of affairs requiring prompt or decisive action.

Hinge and zero hour are semantically related. Sometimes you can use "Hinge" instead a noun phrase "Zero hour".