English synonyms about - contact  

convexo-concave lens

noun

Roget 445: optical instruments; lens, meniscus, magnifier, sunglass, magnifying glass, hand lens; microscope, megascope, tienoscope.    spectacles, specs [Coll.], glasses, barnacles, ... show more

Find more on convexo-concave lens elsewhere: etymology - rhymes - Wikipedia.

debug info: 0.083