# SOL

/ˈsɑɫ/ (US) · CEFR C2 · Noun

Source: https://englishreference.com/word/sol
Updated: 2026-05-03

## Definition

the name for the Sun in science and stories. You use it when talking about our solar system or in space movies.

For teachers: the Sun, specifically when viewed as a central star within a planetary system. Often used in astronomical contexts or science fiction to distinguish the local star from others.

## Examples

- The planet orbits Sol once every year.
- In many science fiction novels, humans refer to their home star as Sol to differentiate it from Alpha Centauri.
- While the term is less common in casual conversation, astronomers occasionally use Sol to specify the Sun as the gravitational anchor of our particular solar system.

## Usage notes

- Typically used as a proper noun and capitalized, though it does not always require a definite article.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.