伽玛 gāmǎ gamma Definitions Defs Origin Strokes Stroke Words Sentences Sents 伽 gā phonetic transliteration (gā) (bound form) used in transliterating foreign terms, especially Greek letters and scientific terms like 伽马射线 gāmǎshèxiàn玛 瑪 mǎ phonetic agate (bound form) used in the word for agate, 玛瑙 mǎnǎo