crystalline
adj.adj. clear and bright like a crystal, or made of crystals. You use this to describe things that are very easy to see through or have a very organized structure.
adj. resembling or composed of crystals; having a clear, transparent, or highly ordered structure. Often used figuratively to describe clarity of thought or sound.
The mountain stream has crystalline water.
The chemist examined the crystalline structure of the salt under a powerful microscope.
The poet was celebrated for her crystalline prose, which managed to convey complex philosophical ideas with startling transparency and precision.
From Middle English cristallyn, cristallyne, from Old French cristallin and its etymon Latin crystallinus, from Ancient Greek κρυστάλλινος (krustállinos), from κρύσταλλος (krústallos, “crystal”) + -ῐνος (-ĭnos, adjectival suffix). By surface analysis, crystal + -ine.
Can be used both literally in scientific contexts and figuratively to denote extreme clarity.