di·esis /ˈdaɪəsəs/
Di·e·sis n.; pl. Dieses
1. Mus. A small interval, less than any in actual practice, but used in the mathematical calculation of intervals.
2. Print. The mark ‡; -- called also double dagger. It is used in printing to indicate a cross reference or footnote
Syn: -- double obelisk.
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