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Convex vs Converse - What's the difference?

convex | converse |

As adjectives the difference between convex and converse

is that convex is curved or bowed outward like the outside of a bowl or sphere or circle while converse is opposite; reversed in order or relation; reciprocal.

As nouns the difference between convex and converse

is that convex is any convex body or surface while converse is (noun_discourse) Familiar discourse; free interchange of thoughts or views; conversation; chat.

As a verb converse is

to talk; to engage in conversation.

convex

English

Adjective

(en adjective)
  • curved or bowed outward like the outside of a bowl or sphere or circle
  • * Whewell
    • Drops of water naturally form themselves into figures with a convex surface.
  • (mathematics, not comparable, of a set) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
  • (geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
  • (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph which is a convex set.

    • Antonyms

    * concave

    Derived terms

    * convex combination * convex set

    Noun

    (es)
  • Any convex body or surface.
  • * Tickell
    • Half heaven's convex glitters with the flame.

    References

    * ----

    converse

    English

    Etymology 1

    From (etyl)

    Verb

    (convers)
  • (formal) To talk; to engage in conversation.
  • * Shakespeare
    • Companions / That do converse and waste the time together.
  • * Dryden
    • We had conversed so often on that subject.
  • To keep company; to hold intimate intercourse; to commune; followed by with .
  • * Thomson
    • To seek the distant hills, and there converse / With nature.
  • * Sir Walter Scott
    • Conversing with the world, we use the world's fashions.
  • * Wordsworth
    • But to converse with heaven — This is not easy.
  • (obsolete) To have knowledge of (a thing), from long intercourse or study.
  • * John Locke
    • according as the objects they converse with afford greater or less variety
    Derived terms
    * conversation

    Noun

    (en noun)
  • Familiar discourse; free interchange of thoughts or views; conversation; chat.
  • * 1728 , (Edward Young), Love of Fame, the Universal Passion , Satire V, On Women, lines 44-46:
    • Twice ere the sun descends, with zeal inspir'd, / From the vain converse of the world retir'd, / She reads the psalms and chapters for the day [...].
  • * 1919 , (Saki), ‘The Disappearance of Crispina Umerleigh’, The Toys of Peace'', Penguin 2000 (''Complete Short Stories ), p. 405:
    • In a first-class carriage of a train speeding Balkanward across the flat, green Hungarian plain, two Britons sat in friendly, fitful converse .

    Etymology 2

    From (etyl)

    Adjective

    (-)
  • Opposite; reversed in order or relation; reciprocal.
    • a converse proposition

    Noun

    (en noun)
  • The opposite or reverse.
  • (logic) Of a proposition or theorem of the form: given that "If A is true, then B is true", then "If B is true, then A is true."''
    equivalently: ''given that "All Xs are Ys", then "All Ys are Xs"     .
    • All trees are plants, but the converse , that all plants are trees, is not true.
    Derived terms
    * conversely

    Anagrams

    * * English heteronyms ----