a plural ending of nouns borrowed from Greek and Latin: phenomena; criteria; data; errata; genera.

Words nearby -a

Definition for -a (2 of 4)


a feminine singular ending of nouns borrowed from Latin and Greek, also used in Neo-Latin coinages to Latinize bases of any origin, and as a Latin substitute for the feminine ending -ē of Greek words: anabaena; cinchona; pachysandra.

Definition for -a (3 of 4)


an ending of personal names forming feminines from masculines: Georgia; Roberta.

Origin of -a

< L feminine -a (see -a2), as Claudia, feminine of Claudius

Definition for -a (4 of 4)


a suffix designating the oxide of the chemical element denoted by the stem: alumina; ceria; thoria.

Origin of -a

probably generalized from the -a of magnesia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020