Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English
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-idium

A structure in a plant or animal.

[Greek diminutive suffix -idion.]

Examples are antheridium (Greek anthos, flower), the male sex organ of algae, mosses, ferns, fungi, and other non-flowering plants; basidium (Greek basis, stepping), a microscopic club-shaped spore-bearing structure produced by certain fungi; nephridium (Greek nephros, kidney), an excretory organ in many invertebrates; pyxidium (Greek puxis, box), a seed capsule that splits open so that the top comes off like the lid of a box. See also -ium.

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