bound form

American  

noun

1. a linguistic form that never occurs by itself but always as part of some larger construction, as -ed in seated.

---

Example Sentences

Shigeyoshi Otosaka, an oceanographer and marine chemist at the Atmospheric and Ocean Research Institute of the University of Tokyo says that the organically bound form of tritium could accumulate in fish and marine organisms.

From Scientific American

Volume I is to be had only in its bound form, and the number of copies is limited.

From Project Gutenberg

About 600 copies are sold at news stands and 500 are brought out at the end of the year in bound form.

From Project Gutenberg