gamma

• 名词，指希腊字母表的第三个字母（Γ, γ），也指磁场强度的单位，等于一奥斯特的十万分之一，还可指伽马射线。

A noun referring to the third letter of the Greek alphabet, or a unit of magnetic field strength equal to one-hundred-thousandth of an oersted.

1. Greek letterB1formal

   The third letter of the Greek alphabet (Γ, γ), used in various scientific and mathematical contexts.

   伽马

   • The symbol gamma is used to represent the photon in physics.
   • In mathematics, the gamma function is denoted by the capital letter Γ.
   • The Greek letter gamma is often used in trigonometry.

2. Unit of magnetic fieldC1formalscientific

   A unit of magnetic flux density, equal to one hundred-thousandth (10⁻⁵) of an oersted, used in geophysics.

   磁场单位

   • The magnetic field strength was measured at 0.5 gamma.
   • Geologists use gamma units to measure the Earth's magnetic field.
   • The sensor detected a change of 2 gamma in the local magnetic field.