thorin
Thorin (noun) means a highly sensitive chemical indicator used in labs to detect and measure barium, beryllium, lithium, uranium, and thorium in solution. Example: “The chemist added a drop of thorin to test for trace uranium in the sample.”
How to use thorin
Learner’s notesIn plain EnglishA specialist lab reagent (not a common word) used to spot certain metals in a solution by making the liquid change colour.
Technical/scientific vocabulary — you will only meet this in chemistry contexts, not everyday speech.
Word forms
Fill the gap
Can you complete this real example?
The chemist added a drop of _____ to test for trace uranium in the sample.