Definition of Apertore
Ap"er*ture (?; 135), n. [L. apertura,
fr. aperire. See Aperient.] 1. The act
of opening. [Obs.]
2. An opening; an open space; a gap, cleft, or
chasm; a passage perforated; a hole; as, an aperture in a
wall.
An aperture between the mountains.
Gilpin.
The back aperture of the nostrils.
Owen.
3. (Opt.) The diameter of the exposed part
of the object glass of a telescope or other optical instrument; as, a
telescope of four-inch aperture.
&fist; The aperture of microscopes is often expressed in degrees,
called also the angular aperture, which signifies the angular
breadth of the pencil of light which the instrument transmits from the
object or point viewed; as, a microscope of 100° aperture.
- Webster's Unabridged Dictionary (1913)
- An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
An aperture between the mountains. --Gilpin.
The back aperture of the nostrils. --Owen.
- (Optics) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.
- The Nuttall Encyclopedia
You arrived at this page by searching for Apertore
The correct Spelling of this word is: Aperture
|
Do you have a fact, idea, experience, comment, or anything whatsoever to share regarding Aperture?
If so, please enter it below and we will add it to our database.
|
Thank you for using the FreeFactFinder Encyclopedia. Please visit our homepage to view articles on a plethora of fascinating topics, which are updated on a regular basis.
|
|
