The Collaborative International Dictionary
Semipellucid
Semipellucid \Sem`i*pel*lu"cid\ (s[e^]m`[i^]*p[e^]l*l[=u]"s[i^]d), a. Half clear, or imperfectly transparent; as, a semipellucid gem.
Wiktionary
semipellucid
a. Half clear, or imperfectly transparent.