|≈||approximately equal to|
|digits||indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)|
A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms. The unit is named after the length of a ship's anchor cable in the Age of Sail. The definition varies:
Terameter or teramatre is equal to 1E+12 (1012) meters (unit of length), comes from a combination of the metric prefix tera (T) and the SI unit of length meter (m). Plural name is terameters.