List of 9-letter words ending with

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There are 18 nine-letter words ending with DIUM

ANTHODIUM	• anthodium n. (Botany) The inflorescence of a compound flower in which many florets are gathered into an involucrate head. • ANTHODIUM n. the flower head of certain plants.
COCCIDIUM	• coccidium n. Synonym of coccidian. • COCCIDIUM n. a parasitic protozoan.
COLLODIUM	• collodium n. Alternative form of collodion. • COLLODIUM n. a solution of pyroxylin in ether, used to apply a thin gummy film in photography and surgery, also COLLODION.
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.
DESMODIUM	• desmodium n. Any member of the genus Desmodium of the flowering plant family Fabaceae, containing mostly inconspicuous… • Desmodium prop.n. A taxonomic genus within the family Fabaceae – ticktrefoil or beggarticks. • DESMODIUM n. a plant of the telegraph-plant genus.
DIACODIUM	• diacodium n. (Medicine, dated) A syrup made from poppies. • DIACODIUM n. (obsolete) a syrup of poppies, also DIACODION.
EPICEDIUM	• epicedium n. Dirge, lament, elegy. • EPICEDIUM n. (Latin) a funeral ode, also EPICEDE.
MAZAEDIUM	• mazaedium n. A powdery spore mass released by some fungi on the surface of the apothecium. • MAZAEDIUM n. a spore-producing organ of certain lichens.
PALLADIUM	• palladium n. A safeguard. • palladium n. A chemical element (symbol Pd) with an atomic number of 46: a rare, lustrous silvery-white metal. • palladium n. (Countable) A single atom of this element.
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.
SYMPODIUM	• sympodium n. (Botany) A pattern of branching, similar to dichotomous branching, where the axis or stem is morphologically… • SYMPODIUM n. a stem involved in sympodial growth.
TRIPUDIUM	• tripudium n. (Historical) A solemn religious dance of the Ancient Romans, performed in triple time. • tripudium n. A form of divination based on the observation of birds feeding. • TRIPUDIUM n. (Latin) an ancient Roman religious dance in triple time.
TRISODIUM	• trisodium n. (Chemistry, in combination) Three atoms of sodium in a compound. • TRISODIUM adj. containing three sodium atoms.

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: 50 words
Scrabble in French: 5 words
Scrabble in Spanish: no word
Scrabble in Italian: 1 word
Scrabble in German: 5 words
Scrabble in Romanian: 1 word

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