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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
The zettaliter or zettalitre is a common metric unit of volume. It is equal to 1018 cubic meters. Plural name is zettaliters.
The cubic terametre or cubic terameter is the unit of volume. Its symbol is Tm3. It is the volume of a cube with edges one terametre in length.