List of 15-letter words ending with

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There are 15 fifteen-letter words ending with RIUM

actinobacterium — n. Any member of the phylum or class Actinobacteria of bacteria.
antimesometrium — n. A ventral mesometrium.
archaebacterium — n. Any primitive bacteria-like organism in the kingdom Archaea.
archæbacterium — n. (Rare) Alternative spelling of archaebacterium.
bifidobacterium — n. Any bacterium of the genus Bifidobacterium.
corynebacterium — n. Any bacterium, of the genus Corynebacterium, many of which…
enterobacterium — n. (Microbiology) Any of very many gram-negative rod-shaped bacteria…
excited␣delirium — n. A syndrome of psychomotor agitation with delirium and sweating…
gnathochilarium — n. (Zoology) A lower lip to the buccal cavity in certain insects.
hypoequilibrium — n. (Physics) A state that is in some way less than an equilibrium.
instrumentarium — n. Set of instruments, toolset.
Nash␣equilibrium — n. (Game theory) The set of choices of players’ strategies for…
organotellurium — adj. (Organic chemistry) Describing any organic compound containing…
proteobacterium — n. Any microbe of the phylum Proteobacteria, many of which are pathogenic.
sulfur␣bacterium — n. Any of several bacteria which oxidize inorganic sulfur compounds…

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