The word "Chromule" refers to a small part of a chromosome. Its pronunciation can be transcribed as /ˈkrɒmjʊl/. The "ch" sound is pronounced as in "church", the "o" in "chrom" is a short vowel sound, the "y" in "ule" is pronounced as a short "i" sound, and the stress is on the second syllable. It's important to make sure the spelling is correct when using scientific terms like these, to ensure proper communication and understanding between experts in the field.
In bot., the colouring matter of plants.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.