ben•thos |ˌbɛnˈθɑs| noun Ecology the flora and fauna found on the bottom, or in the bottom sediments, of a sea, lake, or other body of water. DERIVATIVES ben•thic |ˌbɛnθɪk| adjective ORIGIN late 19th cent.: from Greek, ‘depth of the sea.’
lim•nol•o•gy |lɪmˌnɑlədʒi| noun the study of the biological, chemical, and physical features of lakes and other bodies of fresh water. DERIVATIVES lim•no•log•i•cal |ˈlɪmnəˌlɑdʒəkəl| adjective lim•nol•o•gist |lɪmˌnɑlədʒəst| noun ORIGIN late 19th cent.: from Greek limnē ‘lake’ + -logy .
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