reniform

[ ren-uh-fawrm, ree-nuh- ]

adjective
  1. kidney-shaped: a reniform leaf; hematite in reniform masses.

Origin of reniform

1
From the New Latin word rēniformis, dating back to 1745–50. See reni-, -form

Other words from reniform

  • sub·ren·i·form, adjective

Words Nearby reniform

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use reniform in a sentence

  • The above species may be recognised by its reniform leaves (sagittate in the others), which are also fleshy.

    The Sea Shore | William S. Furneaux
  • It is a smaller plant than A. pedatum, and has deeply-sunken reniform involucres.

    Beautiful Ferns | Daniel Cady Eaton
  • The varieties of serrated leaves, the glandless, and some having globose glands on the leaves, and others with reniform glands.

    Soil Culture | J. H. Walden
  • There are several varieties which assume globular, reniform, stalactitic, and fruticose shapes.

  • It is a reniform limestone, which occurs distributed in single nodules or rather lenticular cakes, in beds of clay.

British Dictionary definitions for reniform

reniform

/ (ˈrɛnɪˌfɔːm) /


adjective
  1. having the shape or profile of a kidney: a reniform leaf; a reniform mass of haematite

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for reniform

reniform

[ rĕnə-fôrm′, rēnə- ]


  1. Shaped like a kidney. Used to describe certain minerals and certain leaves.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.