Kenneth G. Wilson (1923). The Columbia Guide to Standard American English. 1993.
zoology (n.)
The Standard pronunciation is zo-AHL-uh-jee or, in rapid speech, zuh-WAHL-uh-jee. The pronunciation zoo-AHL-uh-jeeformerly discouraged by the diaresis English once used to make clear the first two syllablesis Nonstandard and possibly even a Substandard shibboleth among some Standard speakers.