Meaning & use
Hydrophane
Last updated
Describing a porous mineral, especially certain opals, that becomes transparent or more translucent when soaked in water.
See it in a sentence
Collectors prize hydrophane opals for the way they change appearance after being submerged.
The museum display explained how hydrophane stones absorb water through tiny pores.
A note on using this word
Hydrophane opals can crack if they dry out too quickly after absorbing water, so collectors handle them with special care.
Words with a similar meaning
water-absorbent
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