cubic kilometre
Definition
Noun: A unit of volume measurement equal to the space occupied by a cube with edges each measuring one kilometre in length. It is a metric unit used to express very large volumes, such as the volume of water in a lake or the amount of material in a large geological formation.
Usage
The term "cubic kilometre" is used in scientific, geographical, and engineering contexts to quantify immense volumes. It is often written with the abbreviation km³. - The reservoir holds approximately 5 cubic kilometres of water. - Scientists estimated the lava flow from the volcano to be 0.3 cubic kilometres.
Advanced Usage
- Scientific Measurement: Used in geology, hydrology, and oceanography to measure the volume of natural features.
- The caldera lake has a volume of nearly 12 cubic kilometres.
- Comparative Scale: Often used to help visualize the scale of large events or objects.
- The ice sheet's annual loss is measured in cubic kilometres.
Variants and Related Words
- Cubic kilometer: The American English spelling of "cubic kilometre".
- km³: The standard symbolic abbreviation.
- Cubic metre (m³): A smaller related unit of volume; 1 km³ = 1,000,000,000 m³.
Synonyms
- Kilometre cubed: An alternative verbal form with identical meaning.
Related Phrases
- Cubic kilometre equivalent: A phrase used to express a volume in terms that are easier to comprehend.
- The annual water usage was described in cubic kilometre equivalents.
Noun
-
a unit of capacity equal to the volume of a cube one kilometer on each edge
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