What does millimole mean?
A millimole is a unit of measurement used to express small amounts of substances, particularly in chemistry, biochemistry, and pharmacology. It is equal to one thousandth of a mole, and is often denoted by the symbol mmol or mM. The use of millimoles allows for more precise calculations and measurements when working with small quantities of substances. This unit is particularly useful when expressing concentrations of solutions, such as in medical or laboratory settings. Understanding millimoles is essential for accurate calculations and measurements in various scientific fields.
nounA unit of amount of substance, equal to one thousandth of a mole.
- A unit of amount of substance
"The chemist measured out a millimole of the reagent for the experiment."
"The biochemist calculated the concentration of the solution in millimoles per liter."
"The pharmacist mixed a millimole of the active ingredient with excipients."
Used as a countable unit, e.g., 'The solution contains 5 millimoles of the solute.'
"The researcher recorded the concentrations of several millimoles of different compounds."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of millimole
The term 'millimole' is derived from the prefix 'milli-', meaning one thousandth, and 'mole', a unit of amount of substance. The mole, in turn, is named after the Italian chemist Amedeo Avogadro. The term 'millimole' has been in use since the early 20th century, as the mole became a standard unit in chemistry.
Usage notes
Often used in chemistry, biochemistry, and pharmacology to express small amounts of substances.