名詞 gamma:

1. the 3rd letter of the Greek alphabet
2. a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
3. Portuguese navigator who led an expedition around the Cape of Good Hope in 1497; he sighted and named Natal on Christmas Day before crossing the Indian Ocean (1469-1524)
   同義詞：da Gamma, Vasco da Gamma

1. The act or process of destroying most microorganisms in certain foods, such as fish or clam meat, by irradiating them with gamma rays or other radiation to prevent spoilage.
   射線殺菌法破壞某種食品，如魚或蚌肉內(nèi)的大部分微生物的行為或過程，通過γ射線或其它放射線輻射的防止變質(zhì)
2. Nuclear disintegration or transformation caused by absorption of high-energy radiation, as of gamma rays.
   光致分裂由吸收高能量輻射、如射線而引起的核分裂或核轉(zhuǎn)換

gam.ma

n.（名詞）
The third letter of the Greek alphabet.See table at alphabet
希臘字母表的第三個字母參見 alphabet
The third item in a series or system of classification.
第三個：一第列或分類系統(tǒng)中的第三個事物
A unit of magnetic field strength equal to one hundred thousandth (0-5) of an oersted.
伽馬：磁場強(qiáng)度的一種單位，相當(dāng)于一厄斯特的萬分之一 (0-5)
A unit of mass equal to one millionth (0-') of a gram.
微克：質(zhì)量的一種單位，相當(dāng)于一克的百萬分之一(0-')
Chemistry The third position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
【化學(xué)】 第三位：在有機(jī)分子中從一指定碳原子后第三個位置，在此一個原子或原子團(tuán)可能被替代

來源：
Middle English
中古英語
from Greek
源自 希臘語
[of Phoenician origin] ; akin to Hebrew gomel [gimel]
[源于腓尼基語] ；類似于 希伯來語 gomel [希伯來字母系統(tǒng)第三個字母]