List of 9-letter words ending with

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There are 8 nine-letter words ending with IDIUM

COCCIDIUM	• coccidium n. Synonym of coccidian. • COCCIDIUM n. a parasitic protozoan.
CORMIDIUM	• cormidium n. (Zoology) The colonial body of a compound animal. • CORMIDIUM n. (Latin) the assemblage of individuals dangling in clusters from the main stem of pelagic siphonophores.
CTENIDIUM	• ctenidium n. (Zoology) A respiratory system, in the form of a comb, in some molluscs. • ctenidium n. (Zoology) A row of spines in some insects. • CTENIDIUM n. (Greek) a comblike anatomical structure.
CYMBIDIUM	• cymbidium n. (Botany) Any orchid of the genus Cymbidium. • Cymbidium prop.n. A taxonomic genus within the family Orchidaceae – boat orchids. • CYMBIDIUM n. a kind of tropical orchid.
PRESIDIUM	• presidium n. A permanent executive committee, used primarily in Communist countries, with the power to act for a… • presidium n. Such an executive committee headed by the President of the Supreme Soviet. • PRESIDIUM n. (Latin) a standing committee in the former Soviet Union, also PRAESIDIUM.
PYCNIDIUM	• pycnidium n. In certain fungi, a flask-shaped cavity from the surface of the inner walls of which spores are produced. • PYCNIDIUM n. a spore-bearing organ in some fungi.
RHIPIDIUM	• rhipidium n. (Botany) A scorpioid cyme whose successive pedicels follow a zigzag path on the same plane. • RHIPIDIUM n. a fan-shaped cymose inflorescence.
SPORIDIUM	• sporidium n. (Botany) A secondary spore borne on a promycelium, or a filament produced from a spore, in certain kinds… • sporidium n. An ascospore. • sporidium n. Any spore.

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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English Wiktionary: 23 words
Scrabble in French: 4 words
Scrabble in Spanish: no word
Scrabble in Italian: 1 word
Scrabble in German: 1 word
Scrabble in Romanian: 1 word

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