What context can I use each word in?
Learn when and how to use these words with these examples!
assay
Example
The scientists conducted an assay to determine the concentration of the chemical in the solution. [assay: noun]
Example
She will assay the soil samples to measure the nutrient levels. [assay: verb]
test
Example
I have a math test tomorrow, so I need to study tonight. [test: noun]
Example
The doctor will test your blood pressure to check for any abnormalities. [test: verb]
Good things to know
Which word is more common?
Test is a more commonly used word in everyday language, while assay is more specialized and primarily used in scientific or laboratory settings.
What’s the difference in the tone of formality between assay and test?
Both assay and test can be used in formal and informal contexts. However, assay is more commonly associated with scientific or technical writing, which tends to be more formal.