[iso.phote] n [ISV is- + -phote (fr. Gk phot-, phos light)--more at fancy] (ca. 1909): a curve on a chart joining points of equal light intensity from a given source -- iso.phot.al adj
ISOPHOTE
Meaning of ISOPHOTE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012