-uret

Century Dictionary and Cyclopedia

1. n. A name occasionally applied, in organic chemistry, to the univalent radical CONH₂.
2. n. A chemical suffix, now entirely antiquated: same as -id, 2.

Wiktionary

1. n. obsolete, chemistry -ide

GNU Webster's 1913

1. obsolete A suffix with the same meaning as -ide. See -ide.