spectrometer
Spectrometer (noun) means a scientific instrument that measures how a substance absorbs or emits light across different wavelengths, used to identify what the substance is made of. Example: “The lab used a spectrometer to confirm the exact composition of the sample.”
How to use spectrometer
Learner’s notesIn plain EnglishA device that reads light to figure out what something is chemically made of.
Word forms
- Plural
- spectrometers
Fill the gap
Can you complete this real example?
The lab used a _____ to confirm the exact composition of the sample.
Etymology
From "spectro-" (relating to a spectrum) plus "-meter" ("measuring device"), the same ending found in "thermometer."