Opacular

O·pac'u·lar adjective Opaque. [ Obsolete] Sterne.
Found on http://www.encyclo.co.uk/webster/O/22

Opacular

• (a.) Opaque.
Found on http://thinkexist.com/dictionary/meaning/opacular/

opacular

somewhat opaque
Found on http://phrontistery.info/o.html
No exact match found