Guaiac
Pronunciation: /ɡʌeɪæk/
Guaiac (noun)
- A resin from a tree used in lab tests to show whether certain substances are present.
- A substance taken from guaiac trees, used for making products such as varnish and medicines.
Examples
- The guaiac test checks for hidden blood in a sample.
- A guaiac test can show results after the sample is prepared.