TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BILLION YEARS [1 record]

Record 1 2010-12-01

English

Subject field(s)
  • Chronology
  • Metrology and Units of Measure
CONT

In the grenstone belts of the Superior Province, zircon U/Pb geochronology indicates that volcanic rocks and related intrusions range from about 3.1 to 2.8 Ga in the north, and from about 2.75 to 2.70 Ga in the south ...

OBS

giga: A learned borrowing from Greek where it meant "giant," used with the meaning of "billion" in the formation of compound words: gigacycle, gigahertz, gigameter, gigasecond, gigawatt.

French

Domaine(s)
  • Chronologie
  • Unités de mesure et métrologie
CONT

La tectonique des plaques [...] rend compte de la partie «récente» de cette histoire, soit environ les deux derniers milliards d'années.

CONT

Les gîtes sédimentaires de cuivre de type Kupferschiefer et de type redbeds [...] ne se trouvent [...] que dans des roches qui se sont déposées postérieurement à l'oxygénisation de l'atmosphère terrestre, ou «oxyatmoinversion», qui a eu lieu à environ 2,4 Ga [...]

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: