"Graphoscope" is a word in ENGLISH
An optical instrument for magnifying engravings,
photographs, etc., usually having one large lens and two smaller ones.
Love is such a tremendous force of feeling! When you can't stop loving, you simply cannot stop it.
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Q: How many circus performers does it take to change a lightbulb ? A: Four: One for the money, two for the show, three to get ready, and four to go! A: Four. One to change the bulb and three to sing, Ta da!
A loss or decay of sight, from loss of power in the optic nerve, without any perceptible external change in …
Read the complete definitionThat part of optics which treats of the refraction of light; -- commonly called dioptrics.
Read the complete definitionNot isotropic; having different properties in different directions; thus, crystals of the isometric system are optically isotropic, but all other …
Read the complete definitionAn optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted …
Read the complete definitionThe diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope …
Read the complete definitionAn optical property of some crystals which exhibit a star-shaped by reflected light, as star sapphire, or by transmitted light, …
Read the complete definitionThe line bisecting the angle between the optic axes of a biaxial crystal.
Read the complete definitionThat part of optics which explains the properties and phenomena of reflected light, and particularly that which is reflected from …
Read the complete definitionA reflecting optical glass or instrument; a mirror.
Read the complete definitionA commissure; especially, the optic commissure, or crucial union of the optic nerves.
Read the complete definitionAn instrument for showing the optical effects of color.
Read the complete definitionThe science of colors; that part of optics which treats of the properties of colors.
Read the complete definitionTo determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an …
Read the complete definitionDistinctness or clearness, as of an image formed by an optical instrument; precision in detail.
Read the complete definitionAn optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
Read the complete definitionThe science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction …
Read the complete definitionAn optical toy; a card on which confused or imperfect figures are drawn, but which form to the eye regular …
Read the complete definitionAn attachment to a microscope, telescope, or other optical instrument, for making the image erect instead of inverted.
Read the complete definitionThe lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the …
Read the complete definitionThe space covered by an optical instrument at one view.
Read the complete definition