뜻

1. double concave (lens).

유의어

1. double concave

   • ද්වි·ගුණිත (doubled, )
   • ද්විත්ත (2배의, 이중의)
   • යමක (2배의, 이중의)

Carter, Charles. A Sinhalese-English dictionary. Colombo: The "Ceylon Observer" Printing Works; London: Probsthain & Co., 1924.