CONCAVE LENS

\kɒnkˈe͡ɪv lˈɛnz], \kɒnkˈe‍ɪv lˈɛnz], \k_ɒ_n_k_ˈeɪ_v l_ˈɛ_n_z]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

Word of the day

transmutation theory

  • The theory that one species can evolve from another. t. the change of one element into another species or element.
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