Precambrian
pronunciation
How to pronounce Precambrian in British English:
UK [ˈpri:ˈkæmbriən]
How to pronounce Precambrian in American English:
US [priˈkæmbriən]
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- Noun:
- the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Word Origin
- Precambrian (adj.)
- also Pre-Cambrian, 1861, from pre- + Cambrian.
Example
- 1. Table 1 statistics of several nonmetalliferous ore reserves of precambrian and whole country .
- 2. Decelopmental stages of the precambrian crust and its time line in ancient north china massive .
- 3. These findings are not of precambrian animals themselves , but of their tracks .
- 4. Prospects for international research of the terminal precambrian system .
- 5. Petrology , geochemistry , formation environment and ages of precambrian amphibolites in alxa region .