Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Flat on one side and concave on the other.
from The Century Dictionary.
- Plane on one side and concave on the other.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Plane or flat on one side, and concave on the other. See
lens .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective flat on one side and concave on the other
Etymologies
Sorry, no etymologies found.
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Examples
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Galileo's telescope consisted of two lenses -- one plano-convex, the other plano-concave, the latter being held next the eye.
The Astronomy of Milton's 'Paradise Lost' Thomas Nathaniel Orchard
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There, two lenses were made, one plano-convex, and the other plano-concave, and these were placed in a tube made of sheet copper.
Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists Elbert Hubbard 1885
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Every part of the immense observatory and of the telescope is of American production, with the single important exception of the cast glass disc from which the two principal lenses, the one double convex and the other plano-concave, are produced.
Notable Events of the Nineteenth Century Great Deeds of Men and Nations and the Progress of the World Various 1870
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The stage, condenser and mirror fit onto the dovetailed limb and are (with the exception of the plano-concave mirror) moved by a rack and pinion mechanism.
unknown title 2009
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The stage, condenser and mirror fit onto the dovetailed limb and are (with the exception of the plano-concave mirror) moved by a rack and pinion mechanism.
unknown title 2009
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Standard cylindrical lenses are plano-convex or plano-concave in form.
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