from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An instrument for detecting and measuring fluorescence.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument used to detect, and measure fluorescence
from The Century Dictionary and Cyclopedia
- n. An apparatus for the determination of fluorin by the action of sulphuric acid upon a mixture of the substance with powdered quartz, the volume of the silicon tetrafluoride evolved being measured.
Sorry, no etymologies found.