Plural of gamma; multiple Greek letters gamma (Γ, γ) or things named after this letter.
From Greek gamma, the third letter of the Greek alphabet, from Phoenician gamel meaning 'camel' (which the letter resembles in shape).
The Greek alphabet travels through all of science—physicists use gamma rays, musicians use gamma in harmony, and biologists use gamma to describe these creatures, showing how one ancient symbol branches into hundreds of modern meanings.
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