What does hmm stand for?
hmm stands for "hexamethylmelamine"
How to abbreviate "hexamethylmelamine"?
"hexamethylmelamine" can be abbreviated as hmm
What is the meaning of hmm abbreviation?
The meaning of hmm abbreviation is "hexamethylmelamine"
What does hmm mean?
hmm as abbreviation means "hexamethylmelamine"
