spectrum in Greek
spectrum in Greek
φάσμα
A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.
φάσμα
Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc. [from later 17th c.]
φωτόφασμα
Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc. [from later 17th c.]