English English Dictionary
Dictionary
An instrument for showing the optical effects of color.
A salt of chromic acid.
Relating to color, or to colors.
Proceeding by the smaller intervals (half steps or semitones) of the scale, instead of the regular intervals of the diatonic scale.
Chromatic.
In a chromatic manner.
The science of colors; that part of optics which treats of the properties of colors.
Tissue which is capable of being stained by dyes.
The state of being colored, as in the case of images formed by a lens.
An abnormal coloring of plants.
Producing color.
A treatise on colors
A treatise on colors.
A contractile cell or vesicle containing liquid pigment and capable of changing its form or size, thus causing changes of color in the translucent skin of such animals as possess them. They are highly developed and numerous in the cephalopods.
One of the granules of protoplasm, which in mass give color to the part of the plant containing them.
A reflecting telescope, part of which is made to rotate eccentrically, so as to produce a ringlike image of a star, instead of a point; -- used in studying the scintillation of the stars.
A chromosphere.
An instrument for exhibiting certain chromatic effects of light (depending upon the persistence of vision and mixture of colors) by means of rapidly rotating disks variously colored.
A device in a magic lantern or stereopticon to produce kaleidoscopic effects.
A colored photographic picture taken upon paper made sensitive with potassium bichromate or some other salt of chromium.