1
- a movable joint or mechanism on which a door, gate, or lid swings as it opens and closes or which connects linked objects铰链。
1.1
- Biology a natural joint that performs a similar function, for example that of a bivalve shell【生】铰合部（如双壳贝的节点）。
1.2
- a central point or principle on which everything depends枢纽, 关键：
this span can be called the hinge of history.
这段时间可以称之为历史的转折点。
(hingeing 或 hinging)with obj.(一般作 be hinged)
1- attach or join with or as if with a hinge用铰链（或像铰链一样）接合：
the ironing board was set into the wall and hinged at the bottom
烫衣板固定在墙上, 底部装有铰链
as adj. hinged a pocket watch with a hinged lid.一块带翻盖的怀表。
1.1
- no obj., with adverbial of direction(of a door or part of a structure) hang and turn on a hinge（门等）靠铰链（或铰合部）开合：
the skull's jaw hinged down.
骷髅头的下颌从铰合处下挂。
1.2
- no obj.
hinge on
depend entirely on取决于： the future of the industry could hinge on the outcome of next month's election.
该行业的未来取决于下个月的选举结果。
派生词
hingeless
adjective词源
Middle English henge; related to HANG.