Definition of reniform in English:

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Pronunciation: /ˈrenəˌfôrm/
Pronunciation: /ˈrānəˌfôrm/


chiefly Mineralogy & Botany
Example sentences
  • Asymmetric divisions lead to the formation of a pair of reniform guard cells surrounding the stomatal opening.
  • Stalked, reniform sporangia reside clearly in the axis of the leaves.
  • Lateral branches dichotomize several times before terminating in pairs of reniform sporangia.


Mid 18th century: from Latin ren 'kidney' + -iform.

For editors and proofreaders

Syllabification: ren·i·form

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