Aperture is the magnitude of the angle subtended by the optical axis and the outermost rays still covered by the objective.

Webster Dictionary Meaning

1. Aperture
- The act of opening.
- An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
- The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.
Category: Microbiology
Share it:  Cite

More from this Section

  • Serial dilution
    Serial dilution is the dilution of a specimen in successive stages. Thus a 1:100 dilutions ...
  • Spirillum
    Spirillum is a rigid helical bacterium. A genus of helical bacteria is Aquaspirillum. ...
  • Eucaryote
    Eucaryote is a cell that possesses s definitive or true nucleus. ...
  • Mineralize
    Mineralize is to convert into mineral substance. ...
  • Allosteric enzymes
    Allosteric enzymes are regulatory enzymes with a binding or catalytic site for the substrate ...