1. -ia
an ending of nouns borrowed from Greek and Latin, or coined in English or other languages on a Latin model, that denote esp. places (Ethiopia; Georgia; Liberia), states or conditions, esp. physical disorders (inertia; insomnia; leukemia; phobia), or plants (fuchsia; zinnia); also occurring in other nouns, often orig. or still plural (bacteria; genitalia; insignia; media) or collective (academia; militia). The ending -ia has limited productivity as an English suffix, forming names of disorders (
hypoxia; ) or plural or collective nouns (; militaria; psychedelia; suburbia; ).
Etymology: (< NL, L, Gk)
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Definitions of -ia 
