Scientific units named after people

[MUKHTIAR ALI]

Scientific units named after people

This is a list of scientific units named after people. For other lists of eponyms (names derived from people) see eponym.

http://en.wikipedia.org/wiki/List_of_eponyms

Contents

1 SI base units
2 SI derived unit
3 Centimeter-gram-second system of units

3.1 No longer in use
4 Others
4.1 Planck units (natural units)
4.2 No longer in use




SI base units

Ampere, electric current – André-Marie Ampère
Kelvin, thermodynamic temperature – Lord Kelvin

SI derived unit

Becquerel, radioactivity – Henri Becquerel
Degree Celsius, temperature – Anders Celsius
Coulomb, electric charge – Charles-Augustin de Coulomb
Farad, capacitance – Michael Faraday
Gray, absorbed dose of radiation - Louis Harold Gray
Henry, inductance – Joseph Henry
Hertz, frequency – Heinrich Rudolf Hertz
Joule, energy, work, heat – James Prescott Joule
Newton, force – Isaac Newton
Ohm, electrical resistance – Georg Ohm
Pascal, pressure – Blaise Pascal
Siemens, electrical conductance – Werner von Siemens
Sievert, radiation dose equivalent – Rolf Sievert
Tesla, magnetic flux density – Nikola Tesla
Volt, electric potential, electromotive force – Alessandro Volta
Watt, power, radiant flux – James Watt
Weber, magnetic flux – Wilhelm Eduard Weber


Centimeter-gram-second system of units

Biot, electric current; Jean-Baptiste Biot
Debye, electric dipole moment; Peter Debye
Gauss (unit), magnetic induction – Carl Friedrich Gauss
Maxwell (unit), magnetic flux – James Clerk Maxwell
Oersted, magnetic field strength – Hans Christian Ørsted
Galileo, acceleration; Galileo Galilei
Eotvos, gravitational gradient; Loránd Eötvös

No longer in use

Franklin, electric charge – Benjamin Franklin

Others

Angstrom, distance – Anders Jonas Ångström
Centimorgan, recombinant frequency – Thomas Hunt Morgan
Curie, radioactivity – Marie and Pierre Curie
Dalton, mass ; John Dalton
Decibel (i.e. tenths of Bels) dimensionless proportions and ratios, e.g. relative power levels – Alexander Graham Bell
Degree Fahrenheit, temperature – Daniel Gabriel Fahrenheit
Jansky, flux density – Karl Jansky
Langmuir, gas exposure dose; Irving Langmuir
Neper, relative power level – John Napier
Poise, viscosity – Jean Louis Marie Poiseuille
Röntgen, dosage of X-rays or gamma radiation – Wilhelm Röntgen
Richter scale, earthquake power – Charles Francis Richter
Stokes, viscosity – George Gabriel Stokes
Svedberg, sedimentation rate – Theodor Svedberg

Planck units (natural units)
Base units

Planck length
Planck mass
Planck time
Planck charge
Planck temperature
Derived Units

Planck momentum
Planck energy
Planck force
Planck power
Planck density
Planck angular frequency
Planck pressure
Planck current
Planck voltage
Planck impedance

No longer in use

Mercalli Intensity Scale, earthquake effects – Giuseppe Mercalli
Degree Rankine, temperature – William John Macquorn Rankine
Réaumur, temperature – René Antoine Ferchault de Réaumur
Torr, pressure – Evangelista Torricelli