Meaning & use
millimolar
Last updated
Meanings
adjectivebefore a nountechnicalchemistry
Describing a solution that contains one thousandth of a mole of dissolved substance in each liter.
Grammar: Often follows a number: a 5 millimolar solution.
Patterns
- a millimolar solution
- at millimolar concentrations
The scientist prepared a 10 millimolar solution of the salt.
Enzymes were tested at millimolar concentrations.
The buffer was kept at five millimolar.
nouncountabletechnical
A unit of concentration equal to one thousandth of a mole per liter, usually written mM.
Grammar: Used after a number: 20 millimolar.
Patterns
- measured in millimolar
The concentration was measured in millimolar.
Add chemicals until the level reaches 2 millimolar.
Common combinations
- millimolar concentration
- A millimolar concentration of calcium was added.
- millimolar solution
- They used a millimolar solution of glucose.
- millimolar range
- Binding occurs in the millimolar range.
- 10 millimolar
- The sample contained 10 millimolar sodium.
- micromolar and millimolar
- Levels differ between micromolar and millimolar.
Synonyms and how they differ
- mM
- mM is the symbol and is used in formulas and tables, while millimolar is spoken or written in full.
- millimole per liter
- Millimole per liter is the formal unit name and means exactly the same thing.
Word family
Commonly confused: millimolar or micromolar? millimolar or molar?
millimolar vs micromolar
Micromolar is a thousand times weaker than millimolar, since micro means one millionth and milli means one thousandth.
millimolar vs molar
The adjective molar can also refer to a tooth, which is unrelated to chemistry.
Practice
A 1 millimolar solution contains how much substance per liter?
Choose one answer.
Milli means one thousandth, so 1 millimolar is 0.001 moles per liter. One millionth would be micromolar.
Make it your own
Write a sentence using “millimolar”, then check it and compare it with the examples above.