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There are 11 ten-letter words containing IDIUM

CHROMIDIUM• chromidium n. A granule of extranuclear chromatin in the cytoplasm of a cell.
• CHROMIDIUM n. an algal cell in a lichen.
CYMBIDIUMS• cymbidiums n. Plural of cymbidium.
• CYMBIDIUM n. a kind of tropical orchid.
GLOCHIDIUM• glochidium n. (Zoology) The larva or young of the mussel.
• glochidium n. (Botany) A glochid, or cactus spine.
• GLOCHIDIUM n. (Latin) the larva of a freshwater mussel that develops as a parasite on fish.
MIRACIDIUM• miracidium n. (Biology) A free-living motile form of a trematode, covered with cilia, which settles in a mollusc intermediate…
• MIRACIDIUM n. the ciliated first-stage larva of a trematode.
NEPHRIDIUM• nephridium n. (Biology) A tubular excretory organ in some invertebrates.
• nephridium n. (Anatomy) The embryonic excretory organ that develops into the kidney.
• NEPHRIDIUM n. in invertebrates and lower chordates, an organ serving the function of a kidney.
OMMATIDIUM• ommatidium n. (Zoology) One of the conical substructures which make up the eyes of invertebrates with compound eyes.
• OMMATIDIUM n. a simple element of a compound eye.
OSMIRIDIUM• osmiridium n. (Mineralogy) A hard, corrosion-resistant alloy of osmium and iridium, used in pen nibs.
• OSMIRIDIUM n. a very hard corrosion-resistant white or grey natural alloy of osmium and iridium, also IRIDOSMINE, IRIDOSMIUM.
PRAESIDIUM• praesidium n. Alternative form of presidium.
• PRAESIDIUM n. (Latin) a standing committee in the former Soviet Union.
PRESIDIUMS• presidiums n. Plural of presidium.
• PRESIDIUM n. (Latin) a standing committee in the former Soviet Union, also PRAESIDIUM.
RHIPIDIUMS• RHIPIDIUM n. a fan-shaped cymose inflorescence.
STICHIDIUM• stichidium n. A special pod-like or fusiform branch containing tetraspores, found in certain red algae.
• STICHIDIUM n. a branch producing tetraspores, in red seaweeds.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 28 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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