One of the mysteries of the English language finally explained.
Reduction in size and increase in staining of a cell or (more commonly) its nucleus, usually indicating degeneration or necrosis; an instance of this.
Early 20th century. From ancient Greek πύκνωσις condensation, condensed matter (from πυκνοῦν to make dense or solid (from πυκνός dense, closely packed: see pycno-) + -ωσις), after German Pyknose.
In this article we explore how to impress employers with a spot-on CV.