pellucid

Adjective

Synonyms: crystalline crystal clear limpid lucid transparent luculent perspicuous

WordNet 3.0

Adjective (2)

transmitting light; able to be seen through with clarity“the cold crystalline water of melted snow”“crystal clear skies”“could see the sand on the bottom of the limpid pool”“lucid air”“a pellucid brook”“transparent crystal”Synonyms: crystalline crystal clear limpid lucid transparent
(of language) transparently clear; easily understandable“writes in a limpid style”“lucid directions”“a luculent oration — Robert Burton”“pellucid prose”“a crystal clear explanation”“a perspicuous argument”Synonyms: limpid lucid luculent crystal clear perspicuous

Webster's Dictionary (GCIDE)

Pellucid \Pel*lu"cid\, a. [L. pellucidus; per (see Per-) + lucidus clear, bright: cf. F. pellucide.] Transparent; clear; limpid; translucent; not opaque. "Pellucid crystal." --Dr. H. More. "Pellucid streams." --Wordsworth. [1913 Webster] Pellucidity