heliocentric

Definition

Heliocentric means that the sun is at the centre of the solar system. This is the modern model of the solar system, and it was first proposed by Nicolaus Copernicus in the 16th century.

How can the word be used?

Copernicus's heliocentric model of the solar system was a radical departure from the prevailing geocentric model.

Different forms of the word

Noun: heliocentrism.

Adjective: heliocentric.

Adverb: heliocentrically.

Etymology

The word "heliocentric" comes from the Greek words "helios", meaning "sun", and "kentron", meaning "center". It was first used in the 16th century to describe the model of the solar system in which the sun is at the centre.

Question

What does heliocentric mean?