cambrian

«cambrian» in Mova's school dictionary: The Cambrian was a period of Earth's history about 540 to… — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

part of speech

adjective (Cambrian); noun (the Cambrian)

meaning for a pupil

1) (science) The Cambrian was a period of Earth's history about 540 to 485 million years ago, when many kinds of animals with hard shells first appeared in the sea. tree →

2) Cambrian means to do with Wales, as in the Cambrian Mountains, from Cambria, the Latin name for Wales. tree →

sense in the lessons

In science lessons about fossils and evolution, the Cambrian explosion was when many animal groups appeared quickly; trilobites are famous Cambrian fossils. The period was named after rocks studied in Wales. In geography, the Cambrian Mountains run through mid-Wales, and the Cambrian Line is a railway.

examples

• Trilobites lived in Cambrian seas. tree →
• Many animal groups appeared in the Cambrian explosion. tree →
• There were no animals on land in the Cambrian. tree →
• The Cambrian period is named after Wales. tree →
• We hiked in the Cambrian Mountains. tree →
• Cambrian rocks contain early fossils. tree →

note

Capital C. Said KAM-bree-un. Before the Cambrian came the Precambrian; after it came the Ordovician. No dinosaurs lived then; they came hundreds of millions of years later.

In the corpora

• About 540 million years ago, many animal groups with shells, eyes and legs appeared fairly quickly, in the Cambrian explosion.

Trees and pragmatics

Every meaning and example of «cambrian» parsed by Mova, each sentence with its dependency tree and frames.