Transcription
-
- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
-
- [as-truh-nom-i-kuh l or as-truh-nom-ik yoo-nit]
- /ˌæs trəˈnɒm ɪ kəl or ˌæs trəˈnɒm ɪk ˈyu nɪt/
- /ˌæs.trəˈnɒm.ɪ.kəl ˈjuːnɪt/
-
- US Pronunciation
- US IPA
-
- [as-truh-nom-i-kuh l or as-truh-nom-ik yoo-nit]
- /ˌæs trəˈnɒm ɪ kəl or ˌæs trəˈnɒm ɪk ˈyu nɪt/
Definitions of astronomical unit words
- noun astronomical unit a unit of distance used in astronomy equal to the mean distance between the earth and the sun. 1 astronomical unit is equivalent to 1.495 × 1011 metres or about 9.3 × 107 miles 3
- noun astronomical unit a unit of length based on the mean distance of the earth from the sun, c. 149.6 million km (c. 93 million mi): light travels this distance in c. 8.3 minutes: abbrev. AU 3
- noun astronomical unit a unit of length, equal to the mean distance of the earth from the sun: approximately 93 million miles (150 million km). Abbreviation: AU. 1
- noun astronomical unit (astronomy) The mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), approximately 149,600,000 kilometres (symbol AU), used to measure distances in the solar system. 0
Information block about the term
Origin of astronomical unit
First appearance:
before 1900 One of the 17% newest English words
First recorded in 1900-05
Historical Comparancy
Parts of speech for Astronomical unit
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
astronomical unit popularity
This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.
astronomical unit usage trend in Literature
This diagram is provided by Google Ngram ViewerSee also
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