combining_form
1. [ noun ] (linguistics) a bound form used only in compounds
Examples:

"`hemato-' is a combining form in words like `hematology'"

Related terms: bound_morpheme well fully filled valued ill pseudo distended neo strewn odd minded size proto infested smitten hearted tipped yarder radio columned hung pounder roofed bearing unfriendly seeded visaged decker storied throated regent in-chief hipped boned bedded miler macro midi mini volumed ply minded maxi friendly footer scented billed
Similar spelling:   combining_weight