See Also: Fresnel(dictionary)
Fresnel lantern(medicine)
Fresnel lens(encyclopedia)
Fresnel fringes(medicine)
Fresnel lens(medicine)
Fresnel prism(medicine)
Fresnel reflection(medicine)
Fresnel, Augustin Jean(medicine)
Hegg Memorial Health Center Avera Health(health)
Dells Area Health Center Avera Health(health)

Scrotum (health) and Fresnel (iou)


Scrotum (health)


The bag or sac that hangs below the penis and houses the testicles or balls.





Fresnel (iou)



Fresnel noun. M19.
[A. J. Fresnel (1788-1827), French physicist.]
Physics.
I.
Used attrib. and in possess. to designate devices, phenomena, or concepts related to Fresnel's work in optics. M19.
Fresnel biprism = BIPRISM. Fresnel diffraction diffraction in which the pattern is a nonlinear function of the phase variation across the diffracting aperture or object (cf. Fraunhofer diffraction s.v. FRAUNHOFER 2). Fresnel lens a lens consisting of a number of concentric annular sections, designed to produce a parallel beam free from spherical aberration. Fresnel rhomb, Fresnel's rhomb a glass parallelepiped in which, by total internal reflection, a beam of plane polarized light can be converted into a beam of circularly or elliptically polarized light travelling in the same direction. Fresnel unit = sense 2 below.
II.
(fresnel.) A unit of frequency equal to 1012 Hz. M20.