Modern Greek lemma

φάσμα

fásma — “ghost, spectre”

ghost, spectre (UK), specter (US) (lingering unpleasant prospect); (physics) spectrum; (figuratively) spectrum; (acoustics) ellipsis of ακουστικό φάσμα (akoustikó fásma, “acoustic spectrum, acoustic range”); (physics)…

Full entry

ghost, spectre (UK), specter (US) (lingering unpleasant prospect); (physics) spectrum; (figuratively) spectrum; (acoustics) ellipsis of ακουστικό φάσμα (akoustikó fásma, “acoustic spectrum, acoustic range”); (physics) ellipsis of ηλεκτρομαγνητικό φάσμα (ilektromagnitikó fásma, “electromagnetic spectrum”)

Definitions from English Wiktionary via kaikki.org (wiktextract), licensed CC BY-SA 4.0.