From Longman Dictionary of Contemporary Englishdiaphanousdi‧aph‧a‧nous /daɪˈæfənəs/ adjective literary DCTHIN OBJECT OR MATERIALdiaphanous cloth is so thin that you can almost see through it
Examples from the Corpus
diaphanous• Blake often stretches concepts with contentious boundaries into diaphanous holdalls.• Silver paint coating their exterior reflects heat in warm weather and contributes to the diaphanous kinetic appearance of the structure.• a diaphanous silk gownOrigin diaphanous (1600-1700) Medieval Latin diaphanus, from Greek diaphainein “to show through” 