Nephridium

noun

noun ·4 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A tubular excretory organ in some invertebrates.
  2. 2
    The embryonic excretory organ that develops into the kidney.

Etymology

From nephro- + -idium.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.