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Thallus vs Undefined - What's the difference?

thallus | undefined |

As a noun thallus

is (botany) an undifferentiated plant body, such as in algae.

As an adjective undefined is

lacking a definition or value.

thallus

English

Noun

(thalli)
  • (botany) An undifferentiated plant body, such as in algae.
  • (botany) Any plant body lacking vascular tissue.

    • Related terms

    * thalliform * thalline * thallodal * thalloid * Thallobionta * Thallophyta * thallophyte * thallose

    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