Interface and Hinge

noun

• Chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases. ()
• Computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system.
  • synonyms: user interface
• The overlap where two theories or phenomena affect each other or have links with each other.
  • usage: "the interface between chemistry and biology"
• Computer science. ( computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)).
  • synonyms: port

noun

• A joint that holds two parts together so that one can swing relative to the other.
  • synonyms: flexible joint
• A circumstance upon which subsequent events depend.
  • usage: "his absence is the hinge of our plan"

verb

• Attach with a hinge. .

• (n.) That on which anything turns or depends; a governing principle; a cardinal point or rule; as, this argument was the hinge on which the question turned.
• (v.t.) To bend.
• (n.) The hook with its eye or the joint, on which a door, gate, lid, etc., turns or swings; a flexible piece, as a strip of leather, which serves as a joint to turn on.
• (v.i.) To stand, depend, hang or turn, as on a hinge; to depend chiefly for a result or decision or for force and validity; -- usually with on or upon; as, the argument hinges on this point.
• (n.) One of the four cardinal points, east, west, north or south.
• (v.t.) To attach by or furnish with, hinges.