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Firefly vs Undefined - What's the difference?

firefly | undefined |

As a noun firefly

is any beetle of the family lampyridae, which exhibit bioluminescence during twilight.

As an adjective undefined is

lacking a definition or value.

firefly

English

(wikipedia firefly) (Lampyridae)

Noun

  • Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
  • * 2000 , Exploring Life Science , 2: Bats—Cave Life, Marshall Cavendish, page 96,
    • Fireflies' are the best-known insects that produce light.Many ' fireflies use their light to communicate, particularly at mating time when males and females have to get together.
  • * 2004 , B. V. David, T. N. Ananthakrishnan, Chapter 20: Bioluminescence'', ''General and Applied Entomology , Tata McGraw-Hill, 2nd Edition, page 130,
    • The luciferins are different in different species and today both the luciferin and luciferase in the firefly are available in the crystalline form.
  • * 2007 , Lars Olof Björn, Helen Ghiradella, 23: Bioluminescence'', Lars Olof Björn (editor), ''Photobiology: The Science of Life and Light , Springer, 2nd Edition, page 607,
    • Various other luciferase genes, especially the firefly' luciferase gene, are also used for the study of gene regulation.The classic use of bioluminescence, however, is the use of a luciferin-luciferase mixture from ' fireflies as an assay for ATP.

    Synonyms

    * (beetle) lightning bug

    See also

    * glowworm

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined