8-Letter Words Ending: IDIUM

• fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released

• The caudal plate of trilobites, crustacea, and certain insects.

• any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants

• a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite

• outer layer of the spore-bearing organ in many fungi

• a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes

• an asexually produced fungal spore formed on a conidiophore