V2EX gamma

Gamma

定义 Definition

gamma(n.)常见指希腊字母表的第三个字母 Γ/γ;在科学语境中也常指伽马射线(gamma rays)或“γ”所代表的某类参数(如物理、数学中的变量)。此外在金融中也可指期权“希腊字母”之一(较专业)。

发音 Pronunciation (IPA)

/m/

例句 Examples

Gamma is the third letter of the Greek alphabet.
伽马是希腊字母表的第三个字母。

Scientists used a gamma-ray detector to measure radiation from the source.
科学家使用伽马射线探测器来测量该源发出的辐射。

词源 Etymology

来自希腊语 **γμμα (gámma)**,为希腊字母名;后进入拉丁语与法语,再进入英语。由于科学与数学常借用希腊字母作符号,“gamma”也随之在现代科技语境中广泛使用。

相关词 Related Words

文学作品 Literary Works

  • **Hermann Hesse《玻璃珠游戏》(The Glass Bead Game)**:文本中多次出现希腊字母(包括 gamma)作为学术/符号化引用的语境。
  • **Thomas Pynchon《万有引力之虹》(Gravity’s Rainbow)**:作品涉及大量科学与工程术语,包含对辐射与相关符号体系的提及,语境中常会出现如 gamma 等科学用词。
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