- KangXi: not present, would follow page 829, character 33
- Hanyu Da Zidian: volume 4, page 2424, character 10
- Unihan data for U+783C
|simp. and trad.
Coined in 1953.
The glyph is a compound of 人工石 (“man-made stone”). Pronunciation is from 仝 (tóng), treated as the phonetic component of the glyph. Serendipitously, the pronunciation also resembles the word for “concrete” in some European languages; cf. French béton, German Beton, Russian бето́н (betón).