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reniform

American  
[ren-uh-fawrm, ree-nuh-] / ˈrɛn əˌfɔrm, ˈri nə- /

adjective

  1. kidney-shaped.

    a reniform leaf; hematite in reniform masses.


reniform British  
/ 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

reniform Scientific  
/ rĕnə-fôrm′,rēnə- /
  1. Shaped like a kidney. Used to describe certain minerals and certain leaves.


Other Word Forms

  • subreniform adjective

Etymology

Origin of reniform

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

P. shell-shaped, reniform, downy, greyish-tan; g. crowded, decur. whitish then bright rosy; s. slightly curved, base white and downy; sp. 5-6 � 3.

From European Fungus Flora: Agaricaceae by Massee, George

The orbicular and reniform spots are margined with white, and a thin white streak runs from the base of the wing to the former.

From Butterflies and Moths (British) by Furneaux, William S.

The orbicular and reniform spots have pale outlines, and the lower half of the latter is very dark grey.

From Butterflies and Moths (British) by Furneaux, William S.

P. 1-2 cm. tough, reniform, dry, rufescent then whitish; g. crowded, distinct, white; s.

From European Fungus Flora: Agaricaceae by Massee, George

The reniform is generally more conspicuous, a portion of it being of a light ochreous colour.

From Butterflies and Moths (British) by Furneaux, William S.