limnologist
lim·no·lo·gist
noun
1.
a specialist in the study of freshwater ponds and lakes
Origin
From limnology + -ist.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.