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Hydroxyl vs Undefined - What's the difference?

hydroxyl | undefined |

As a noun hydroxyl

is (chemistry) a univalent radical or functional group (–oh) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

As an adjective undefined is

lacking a definition or value.

hydroxyl

English

Noun

(en noun)
  • (chemistry) A univalent radical or functional group (–OH) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

    • Derived terms

    {{der3, hydroxylamine , hydroxylammonium nitrate , hydroxylapatite , hydroxylate , hydroxylbastnasite , hydroxyl ion}}

    Related terms

    * hydroxide

    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