D defs.my
Entry 1 sense Webster, 1913

ecologist

/(ē̇*kŏl"ō̇*jĭst)/ · IPA /iːˈkɒləd͡ʒɪst/
01 n. a biologist who studies the relation between organisms and their environment.
  1. 1.
    a biologist who studies the relation between organisms and their environment.