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Contact vs Adjoint - What's the difference?

contact | adjoint |

As nouns the difference between contact and adjoint

is that contact is the act of touching physically; being in close association while adjoint is a matrix in which each element is the cofactor of an associated element of another matrix.

As a verb contact

is to touch; to come into physical contact with.

As an adjective adjoint is

used in several situations with a meaning similar to helping.

contact

English

Noun

(en noun)
  • The act of touching physically; being in close association.
  • * {{quote-book, year=1935, author= George Goodchild
  • , title=Death on the Centre Court, chapter=1 , passage=She mixed furniture with the same fatal profligacy as she mixed drinks, and this outrageous contact between things which were intended by Nature to be kept poles apart gave her an inexpressible thrill.}}
  • The establishment of communication (with).
  • *
  • , title=(The Celebrity), chapter=1 , passage=In the old days, […], he gave no evidences of genius whatsoever. He never read me any of his manuscripts, […], and therefore my lack of detection of his promise may in some degree be pardoned. But he had then none of the oddities and mannerisms which I hold to be inseparable from genius, and which struck my attention in after days when I came in contact with the Celebrity.}}
  • A nodule designed to connect a device with something else.
  • Someone with whom one is in communication.
  • (label) A contact lens.
  • (label) A device designed for repetitive connections.
  • Contact juggling.
  • (mining) The plane between two adjacent bodies of dissimilar rock.
  • (Raymond)

    Derived terms

    * body contact * contact hitter * contactable * eye contact * first contact * golden contact * point of contact / POC

    Verb

    (en verb)
  • To touch; to come into physical contact with.
  • The side of the car contacted the pedestrian.
  • To establish communication with something or someone
  • I am trying to contact my sister.

    adjoint

    Adjective

    (-)
  • (mathematics) used in several situations with a meaning similar to helping
  • Derived terms

    () * adjoint matrix * adjoint operator * adjoint functor * coadjoint * self-adjoint

    Noun

    (en noun)
  • (mathematics) A matrix in which each element is the cofactor of an associated element of another matrix.
  • (geometry) A curve such that any point of another curve C'' of multiplicity ''r'' has multiplicity at least ''r''–1 on the adjoint. Sometimes the multiple points of ''C are required to be ordinary, and if this condition is not satisfied the term "sub-adjoint" is used.
  • An assistant mayor of a French commune.
  • Derived terms

    () * biadjoint

    References

    * MathWorld ----