LIGHTFAST


Meaning of LIGHTFAST in English

adj.

Pronunciation: - ˌ fast

Function: adjective

Date: 1950

: resistant to light and especially to sunlight especially : colorfast to light

– light · fast · ness \ - ˌ fas(t)-n ə s \ noun

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.