Biologythe scientific study of bodies of fresh water, as lakes and ponds, with reference to their physical, geographical, biological, and other features.
1890–95; limno- (combining form representing Greek límnē pool, marsh) + -logy
lim•no•log•i•cal(lim′nl oj′i kəl),USA pronunciationlim′no•log′ic, adj.lim′no•log′i•cal•ly, adv. lim•nol′o•gist, n.