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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 petaliter or petalitre is a common metric unit of volume. It is equal to 1 000 000 000 000 cubic meters. Plural name is petaliters.
The cubic nanometre or cubic nanometer is the unit of volume. Its symbol is nm3. It is the volume of a cube with edges one nanometre in length.