[ nuh-frid-ee-uhm ]

noun,plural ne·phrid·i·a [nuh-frid-ee-uh]. /nəˈfrɪd i ə/. Zoology.
  1. the excretory organ of many invertebrates, consisting of a tubule with one end opening into the body cavity and the other opening into a pore at the body surface.

Origin of nephridium

From New Latin, dating back to 1875–80; see origin at nephr-, -idium

Other words from nephridium

  • ne·phrid·i·al, adjective

Words Nearby nephridium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use nephridium in a sentence

British Dictionary definitions for nephridium


/ (nɪˈfrɪdɪəm) /

nounplural -ia (-ɪə)
  1. a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior

Origin of nephridium

C19: New Latin: little kidney

Derived forms of nephridium

  • nephridial, adjective

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