English

Noun

magnitudes

1. Plural of magnitude

Magnitude may refer to: magnitude scale which helps people measure such earthquakes, tsunami and even volcanos

• Magnitude (mathematics), a measure of the size of a mathematical object:
  • A vector object has both magnitude and direction as its defining characteristics.
  • A scalar object has only magnitude as its defining characteristic.

In astronomy:

• A logarithmic measure of the brightness of an astronomical object:
  • Ancient magnitude system
  • Modern magnitude system
    • Apparent magnitude
      • Apparent Photographic magnitude (Symbol mpg)
      • Apparent Photovisual magnitude (Symbol mpv)
      • Apparent Bolometric magnitude (Symbol mb)
    • Absolute magnitude
      • Absolute Photographic magnitude (Symbol Mpg)
      • Absolute Photovisual magnitude (Symbol Mpv)
      • Absolute Bolometric magnitude (Symbol Mb)
• Magnitude of an eclipse

In seismology:

• Either of two measures of earthquake strength:
  • Richter magnitude scale (including the surface-wave Ms and body wave Mb magnitudes)
  • Moment magnitude scale

In linguistics ‖ may be confused with ǁ, which refers to a lateral click.