Kietjimo

Kietjimo is a Lithuanian noun form meaning the process or act of hardening. It is derived from the adjective kietas (hard) and the noun-forming suffix -jimas, with the base noun kietjimas. The form kietjimo is the genitive singular used in phrases such as “kietjimo procesas” and “kietjimo laipsnis.”

In technical language, kietjimas refers to a change in a material’s properties that results in increased hardness and often improved wear resistance. The term covers a range of mechanisms and methods, depending on the material and domain, including thermal, chemical, or mechanical actions that alter microstructure and reduce plasticity.

In fields such as metallurgy and materials science, the term is used to describe treatments or processes intended to harden a material. The exact meaning of kietjimas varies with context and is often specified with descriptors such as process or method. Related Lithuanian terms include kietėjimas and kietinimas, which similarly denote hardening or hardening-like transformations.

See also: kietėjimas, kietinimas.