base density

base density

[′bās ′den·səd·ē]
(optics)
The value of the inherent optical transmission density of a film base; does not include any contribution from the emulsion layer.
References in periodicals archive ?
Since the late Miocene, a gradual reduction in trichome base density has occurred in this complex.
Wedco/ICO also rolled out Icorene KCEL100, a new one-shot linear MDPE foam compound with a 0.940 base density and 0.20 expanded density.