1 : allowing light to pass through diffusely; "translucent amber"; "semitransparent curtains at the windows"
2 : so thin as to transmit light; "a hat with a diaphanous veil"; "filmy wings of a moth"; "gauzy clouds of dandelion down"; "gossamer cobwebs"; "sheer silk stockings"; "transparent chiffon"; "vaporous silks"
