Longitudinal may refer to:

  • Longitudinal engine, an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back
  • Longitudinal mode, a particular standing wave pattern of a resonant cavity formed by waves confined in the cavity
  • Longitudinal redundancy check, in telecommunication, a form of redundancy check that is applied independently to each of a parallel group of bit streams.
  • Longitudinal study, a research study that involves repeated observations of the same items over long periods of time — often many decades
  • Longitudinal voltage, in telecommunication, a voltage induced or appearing along the length of a transmission medium
  • Longitudinal wave, a wave with oscillations or vibrations along or parallel to their direction of travel
  • Longitudinal/longitudinally are also anatomical terms of location.

Other articles related to "longitudinal":

Chromostereopsis - Chromatic Aberration - Longitudinal Chromatic Aberration
... Longitudinal chromatic aberration is defined as the "variation of the eye's focusing power for different wavelengths" ... In longitudinal chromatic aberration (LCA), the refracting properties of the eye cause light rays of shorter wavelengths, such as blue, to converge before longer wavelength colors ...
The Chinese Health And Retirement Longitudinal Study
... The Chinese Health and Retirement Longitudinal Study (CHARLS) is a longitudinal survey being conducted by the China Center for Economic Research at Peking University with ...
Communicus - Longitudinal Design
... While the longitudinal design has long been used in the scientific community as a way of overcoming the problems inherent in cross-sectional or matched sample studies ... to be successful, the researcher must be able to accurately divide the longitudinal panel into those who have seen the advertising in-market versus those who have not ...
Archedictyon - Structure
... is believed to have contained between six and eight longitudinal veins, but current understanding of the design is based on a combination of fossil data and speculation ... and their branches Costa(C) the leading edge of the wing Subcosta(Sc) the second longitudinal vein (behind the costa), typically unbranched Radius R) the third longitudinal vein ...
Longitudinal Erythronychia
... Longitudinal erythronychia presents with longitudinal red bands in the nail plate that commence in the matrix and extend to the point of separation of the nail plate and nailbed, and may ...