I. |mī(ˌ)krō+ noun
Etymology: International Scientific Vocabulary micr- + photometer
: an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectrum lines on a photographic plate
• mi·cro·photometric | ̷ ̷ ̷ ̷+ adjective
• mi·cro·photometrically “+ adverb
• mi·cro·photometry | ̷ ̷(ˌ) ̷ ̷+ noun
II. transitive verb
: to measure or examine with a microphotometer