transcription, транскрипция: [ ˈī-sə-ˌfōt ]
noun
Etymology: International Scientific Vocabulary is- + -phote (from Greek phōt-, phōs light) — more at fancy
Date: circa 1909
: a curve on a chart joining points of equal light intensity from a given source
• iso·phot·al ˌī-sə-ˈfō-təl adjective