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

  • Cellulose
    Cellulose is a complex polysaccharide consisting of many glucose molecules; the characteristic ...
  • Angstrom
    Angstrom is a unit of length equal to 10^-8 cm (1/100,000,000cm). Conventionally used ...
  • Aerobe
    Aerobe is an organism that requires oxygen for growth and cam grow under an air atmosphere ...
  • Oospores
    Oospores are spores formed after the fertilization of the eggs within the oogonium. ...
  • Invertase
    Invertase is an enzyme that hydrolyzes sucrose to glucose and fructose. ...