Learn how to say Heterogeneously correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word heterogeneous:
diverse in character or content:
a large and heterogeneous collection
Chemistry of or denoting a process involving substances in different phases (solid, liquid, or gaseous):
Mathematics incommensurable through being of different kinds, degrees, or dimensions.
Pronunciation: /-dʒɪˈniːɪti, -ˈneɪɪti/
early 17th century: from medieval Latin heterogeneus, from Greek heterogenēs, from heteros ‘other’ + genos ‘a kind’
The correct spelling is heterogeneous, but a fairly common misspelling is heterogenous. The reason for the error probably relates to the pronunciation, which, in rapid speech, often misses out the extra e. Heterogenous is actually a different word, which is used in specialized medical and biological senses and means ‘originating outside the organism’.