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Latch vs Coupling - What's the difference?

latch | coupling | Related terms |

As nouns the difference between latch and coupling

is that latch is a fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side while coupling is act of joining together to form a couple.

As a verb latch

is to close or lock as if with a latch.

latch

English

(wikipedia latch)

Etymology 1

(etyl) .

Noun

(es)
  • A fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side.
  • * 1912 : (Edgar Rice Burroughs), (Tarzan of the Apes), Chapter 4
  • The cleverly constructed latch which Clayton had made for the door had sprung as Kerchak passed out; nor could the apes find means of ingress through the heavily barred windows.
  • A flip-flop electronic circuit
  • (obsolete) A latching.
  • (obsolete) A crossbow.
  • (obsolete) That which fastens or holds; a lace; a snare.
  • Derived terms
    * on the latch

    Verb

    (es)
  • To close or lock as if with a latch
  • To catch; lay hold of
  • :* Where hearing should not latch them. — Shakespeare, MacBeth , Act IV
  • Derived terms
    * latch on * latch on to * latch onto

    Etymology 2

    Compare (etyl) .

    Verb

    (es)
  • (obsolete) To smear; to anoint.
  • (Shakespeare)

    coupling

    English

    Noun

    (en noun)
  • act of joining together to form a couple
  • a device that couples two things together
  • (computing) the degree of reliance between two program modules
  • (electronics) a connection between two electronic circuits such that a signal can pass between them
  • (physics) The property of physical systems that they are interacting with each other
  • (sexuality) sexual intercourse
  • Synonyms

    * (computing) dependency

    Antonyms

    * (computing) cohesion

    Derived terms

    * capacitive coupling * common coupling * conductive coupling * content coupling * control coupling * data coupling * data-structured coupling * external coupling * global coupling * inductive coupling * low coupling * loose coupling * message coupling * no coupling * pathological coupling * stamp coupling