Sentence:  The water shone pacifically; the sky, without a speck, was a benign immensity of unstained light; the very mist on the Essex marsh was like a gauzy and radiant fabric, hung from the wooded rises inland, and draping the low shores in <WSD>diaphanous</WSD> folds. 
Meaning of the word marked with <WSD> tags:  Transparent or translucent; allowing light to pass through; capable of being seen through.