Lens

ли́нза

línza

(object focusing or defocusing the light passing through it)

ли́нза

línza

(geometry: convex shape bounded by two circular arcs)

объекти́в

obʺjektív

(object focusing or defocusing the light passing through it)

хруста́лик

xrustálik

(anatomy: transparent crystalline structure in the eye)

чечеви́ца

čečevíca

(biology: genus of the legume family; its bean)