Cambrian - English meaning

adjective

(chiefly in names or geographical terms) welsh.

Usage examples:

The cambrian railway

adjective

Relating to or denoting the first period in the palaeozoic era, between the end of the precambrian aeon and the beginning of the ordovician period.

Usage examples:

The earliest discovered brachiopod fossils date to the early cambrian period

noun

The first period in the palaeozoic era, or the system of rocks deposited during it.

Usage examples:

They evolved during the cambrian

adjective

From or referring to the period of time between about 543 and 490 million years ago, in which many different types of invertebrates (= animals with no back bone) first appeared

Usage examples:

These rocks date from the middle of the cambrian era., they are already present in early cambrian r…