Reduced the specular properties of ships.
Is that word?
Main Entry:
spec·u·lar 
Pronunciation:
\ˈspe-kyə-lər\ 
Function:
adjective 
Etymology:
Latin specularis of a mirror, from speculum
Date:
1640
: 
of, relating to, or having the qualities of a mirror  — spec·u·lar·i·ty  \ˌspe-kyə-ˈla-rə-tē\ noun 
— spec·u·lar·ly  \ˈspe-kyə-lər-lē\ adverb