(diaphanous : translucent, see-through, or ethereal) "The diaphanous material of her dress left little to the imagination.""The diaphanous mist was fading away very quickly."
The stain glass window was very diaphanous I could almost clearly see the clouds outside.
Her diaphanous négligée left little to the imagination.
Yes, it is the same
"cobwebby", "filmy", "gauze-like", "gauzy", "gossamer", "see-through", "sheer", "transparent", "vaporous" and "vapourous"
How to Choose a Long Sleeve Dress
Mara Hoffman 2011 New York Fashion Week Runway
Vera Wang Runway New York Fashion Week Fall 2011