Hȳ'dro-phāne, n.
n. [Fr. hydrophane, from Gr. ὕδωρ, water, and φανός, shining, bright, from φαίνειν, to show, appear.] (Min.) An opaque variety of opal that becomes transparent by immersion in water.
n. [Fr. hydrophane, from Gr. ὕδωρ, water, and φανός, shining, bright, from φαίνειν, to show, appear.] (Min.) An opaque variety of opal that becomes transparent by immersion in water.