astronomy

B2 Topic:Education & Learning

US /əˈstɹɑn.ə.mi/ See IPA manual

noun Freq #15209

Meanings

1

noun
The scientific study of the stars, planets, and the universe.

She is studying astronomy because she loves looking at the night sky.

Thesaurus

Word family

Derived forms archaeastronomyarchaeoastronomyarcheoastronomyastronomerastronomessastronomickastronomistbioastronomyethnoastronomypaleoastronomy

Related forms aberration asteroid astralastrologistastrologyastrometryastronomer astronomical astronomicallyastrophysicscomet constellation

Etymology

From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- + -nomy. Displaced native Old English tungolcræft.

astronomie Middle English

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Topics

Education & Learning

# astronomy

**Type:** Word
**Level:** B2
**Part of speech:** noun
**IPA (US):** əˈstɹɑn.ə.mi
**Frequency rank:** 15209

## Meanings
1. The scientific study of the stars, planets, and the universe.

## Examples
- She is studying astronomy because she loves looking at the night sky.

## Derived Forms
- archaeastronomy
- archaeoastronomy
- archeoastronomy
- astronomer
- astronomess
- astronomick
- astronomist
- bioastronomy
- ethnoastronomy
- paleoastronomy

## Related Forms
- aberration
- asteroid
- astral
- astrologist
- astrology
- astrometry
- astronomer
- astronomical
- astronomically
- astrophysics
- comet
- constellation

## Roots and Affixes
- Root: astronomie

## Etymology
From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- + -nomy. Displaced native Old English tungolcræft.

## AI Etymology
Astronomy is from Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- plus -nomy. Displaced native Old English tungolcræft. The formation is semantically transparent: the parts remain visible, while the compound or affix fixes the grammatical role and narrows the modern meaning. In use as a noun, astronomy denotes the scientific study of the stars, planets, and the universe. The same word family continues in derived forms such as archaeastronomy, archaeoastronomy, archeoastronomy, and astronomer and related entries such as aberration, asteroid, astral, and astrologist.

## Topics
- Education & Learning

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