Gauzy

Adjective:
1. So thin as to transmit light

Usage:
1. Gauzy clouds of dandelion down

Synonyms:
1. Cobwebby
2. Diaphanous
3. Filmy
4. Gauze-Like
5. Gossamer
6. See-through
7. Sheer
8. Transparent
9. Vaporous
10. Vapory