GNEISS
\nˈe͡ɪs], \nˈeɪs], \n_ˈeɪ_s]\
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By Daniel Lyons
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Stratified rock resembling granite.
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.