mmol is a unit of measurement in the medical world, and it stands for millimoles. To find synonyms for the word, we can explore other units of measurement that are equivalent to millimoles. One such unit is micromoles, which are 1,000 times smaller than millimoles. Another is nanomoles, which are 1,000,000 times smaller. In contrast, centimoles are larger than millimoles, but they are not commonly used in medical contexts. Additionally, some medical professionals might refer to mmol as "mmol/L" or "mmol/litre", which simply indicates the concentration of a substance in a given amount of liquid. Overall, it's important to be familiar with these synonyms to make sure information is conveyed accurately in the medical field.