CEFR B2

protoplanet

noun

Meaning

Protoplanet means an astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are....

Examples

The article uses protoplanet to mean an astronomical object, approximately the size of the Moon, formed from the....
The teacher asked students to find protoplanet in the reading.

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protoplanet (B2)

noun

Definition

Protoplanet means an astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are....

Examples

The article uses protoplanet to mean an astronomical object, approximately the size of the Moon, formed from the....
The teacher asked students to find protoplanet in the reading.

How to Use protoplanet

a/the protoplanet (noun pattern): Use an article when the noun is countable in context. — "The article mentioned a protoplanet."
protoplanet in context (usage pattern): Use surrounding words to choose the correct sense. — "We checked protoplanet in context before translating it."

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