Ma'anar ƙamus na kalmar "limnologist" masanin kimiyya ne wanda ke nazarin yanayin muhallin ruwa, gami da halayensu na zahiri, sinadarai, da halittu. Limnologists na bincika tafkuna, koguna, dausayi, da sauran jikunan ruwa mai daɗi don fahimtar muhallinsu, halayensu, da yanayin muhallinsu, da kuma ganowa da magance matsaloli kamar gurɓata yanayi, nau'ikan ɓarna, da lalata wuraren zama.
