reniform

American  

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

adjective

1. kidney-shaped.

   a reniform leaf; hematite in reniform masses.

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reniform British  

/ ˈrɛnɪˌfɔːm /

adjective

1. having the shape or profile of a kidney

   a reniform leaf

   a reniform mass of haematite

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reniform Scientific  

/ rĕn′ə-fôrm′,rē′nə- /

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

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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

Low perennials, in or near water, with creeping stems, and peltate or reniform leaves.

From Project Gutenberg

The reniform masses are known as kidney ore.

From Project Gutenberg

Native arsenic is usually found as granular or curvilaminar masses, with a reniform or botryoidal surface.

From Project Gutenberg

Beyond the reniform a curved and zigzag dark line crosses the wing.

From Project Gutenberg

P. soft, lateral-dimidiate, horizontal, reniform, glabrous, viscid, sooty or livid; g. adnate to a nodule, crowded, white then yellowish; s. a downy nodule, viscid membranous ring torn.

From Project Gutenberg