| dark adaptation |
the process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hours
Ãâó: wordnet.princeton.edu/perl/webwn
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| dark-field microscope |
ultramicroscope: light microscope that uses scattered light to show particles too small to see with ordinary microscopes
Ãâó: wordnet.princeton.edu/perl/webwn
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| darkroom |
a room in which photographs are developed
Ãâó: wordnet.princeton.edu/perl/webwn
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| dark adaptation |
the adaptation of the eye to vision in the dark or in reduced illumination (night vision), with build-up of rhodopsin in the retinal rods; called also scotopic a.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| darkfield condenser |
one with a central stop, permitting production of a hollow cone of light having its apex in the plane of the specimen.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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