adjective
- very sheer and light; almost completely transparent or translucent.
- delicately hazy.
adjective
- (usually of fabrics such as silk) fine and translucent
1610s, from Medieval Latin diaphanus, from Greek diaphanes “transparent,” from dia- “through” (see dia-) + phainesthai, middle voice form (subject acting on itself) of phainein “to show” (see phantasm).