Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A length of one trillion (1012) meters.
  • n. Or, conventionally, the length of one billion (109) kilometers.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tera- +‎ meter

Examples

  • Subatomic particles scattered one to a cubic terameter—not much more closely.

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