tihentyvä
Tihentyvä (standard Finnish form tiheentyvä) is a Finnish present participle used as an adjective meaning “becoming denser” or “thickening.” It describes processes in which density, concentration, or crowding increases, such as weather phenomena, vegetation, or human activity. The term appears in scientific and descriptive writing and can be used in both literal and figurative senses.
Linguistically, it is derived from the adjective tiheä (dense) and the verb tiheentyä (to become denser). The
Usage examples include: tiheentyvä pilvi, “a thickening cloud”; tiheentyvä väkijoukko, “a crowd that is becoming denser”;
Notes on form: the standard Finnish form is tiheentyvä. The spelling tihentyvä is a common nonstandard variant
See also: tiheä, tiheys, tiheentyminen, densification (tiheentymisen concepts in Finnish usage).