The most popular online dictionary and thesaurus for learners of English
astro-
prefix /æs.trəʊ-/
/-troʊ-/ Definition
(Definition of astro- prefix from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
Focus on the pronunciation of astro-
Browse related topics
You are looking at an entry to do with Astronomy, but you might be interested in these topics from the The Earth & outer space topic area:
- Countries, nationalities & continents: continents & regions of the world
- Countries, nationalities & continents: country & nation
- Countries, nationalities & continents: country names
- Countries, nationalities & continents: nationalities
- Environmental issues
- Geography - general words
- Geography: areas of land in general
- Geography: banks & embankments
- Geography: caves, cracks & crevices
- Geography: deserts, prairies & wildernesses
- Geography: hills & mountains
- Geography: promontories & peninsulas
- Geography: scenery & views
- Geography: small & large land masses
- Geography: valleys
- Geography: wetland
- Geology - general words
- Geology: earthquakes & volcanic eruptions
- Geology: mineralogy
- Geology: precious & semi-precious stones
- Geology: types of rock
- Maps & map-making
- Points of the compass
- The Earth & outer space - general words
- Towns & regions: areas in towns & cities
- Towns & regions: city names & their inhabitants
- Towns & regions: environments & localities
- Towns & regions: named regions of countries
- Towns & regions: parts of countries
- Towns & regions: the countryside
- Towns & regions: towns, cities & villages (general)
Browse the Thesaurus
SMART Thesaurus: Astronomy
Synonyms and related words:
- asteroid noun
- astral adjective (STARS)
- astronomer noun
- astronomical adjective (SCIENTIFIC)
- astronomically adverb (SCIENTIFIC)
- interplanetary adjective
- interstellar adjective
- Jupiter noun
- lunar adjective
- Mars noun
- Pluto noun
- pulsar noun
- quasar noun
- radio telescope noun
- red giant noun
- the Southern Cross noun
- Uranus noun
- Venus noun
- vernal equinox noun
- wane verb
Word of the Day
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
