isophotal
Of or pertaining to equality of illumination: as, an isophotal line.
nounIn photometry, a line or surface, in afield of light-flux, drawn everywhere through points of equal illumination. Also called
Of or pertaining to
Of or pertaining to equality of illumination: as, an isophotal line.
nounIn photometry, a line or surface, in afield of light-flux, drawn everywhere through points of equal illumination. Also called
Of or pertaining to
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