Chinese

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For pronunciation and definitions of – see 萬子 (“character tile”).
(This term is the simplified form of 萬子).
Notes:

Japanese

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For pronunciation and definitions of 万子 – see the following entry.
萬子ワンズ
[noun] (mahjong) character tile
萬子マンズ
[noun] (mahjong) character tile
(This term, 万子, is an alternative spelling (rarely used shinjitai) of the above term.)