[het-uh-ree-siz-uh m]

noun Biology.

the development of different stages of a parasitic species on different host plants.

Origin of heteroecism

1870–75; hetero- + Greek oik(ía) “house” + -ism
Related formshet·er·oe·cious [het-uh-ree-shuh s] /ˌhɛt əˈri ʃəs/, adjectivehet·er·oe·cious·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heteroecism

Historical Examples of heteroecism