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Convex vs Sunglass - What's the difference?

convex | sunglass |

As nouns the difference between convex and sunglass

is that convex is any convex body or surface while sunglass is singular form of sunglasses; used chiefly in compounds.

As an adjective convex

is curved or bowed outward like the outside of a bowl or sphere or circle.

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

    * ----

    sunglass

    English

    Noun

    (head)
  • Singular form of sunglasses; used chiefly in compounds
    • a sunglass holder
  • * {{quote-news, 2009, January 8, Mike Albo, Of-the-Moment, Yet So Five Months Ago, New York Times citation
    • , passage=They trekked through Europe, discovering designers like Melinda Gloss and the Italian sunglass manufacturer LGR, with whom they secured exclusive United States representation. }}
  • (archaic) A convex lens of glass for producing heat by converging the sun's rays into a focus.
    • Lighting a cigar with a sunglass — Hawthorne.