Definition of astronomical in US English:

astronomical

adjective

  • 1Relating to astronomy.

    • ‘In astronomy he worked on making observations more precise by improving astronomical instruments.’
    • ‘A corollary of this is that, before Hipparchus, astronomical tables based on Greek geometrical methods did not exist.’
    • ‘The Moon could also become the principal astronomical observation platform in the solar system.’
    • ‘This material is not related to comets but rather to other astronomical bodies.’
    • ‘Although such reports are often discounted as meteor showers or astronomical phenomena, other sightings are not so easy to dismiss.’
    • ‘The celestial globe is an astronomical instrument used to measure the stars and the nature of the universe.’
    • ‘The first known astronomical observations made by Galileo were carried out in 1604 for different reasons.’
    • ‘Eclipses result from the astronomical relationship between Earth, Moon and Sun.’
    • ‘Neptune was the first to be detected as the result of an astronomical calculation rather than accidental observation.’
    • ‘He began correcting the errors in existing astronomical tables by making observations of the motion of the planets with a cheap telescope.’
    • ‘His interest in optics also fitted in with an interest in making astronomical observations.’
    • ‘By 1905, of course, astronomical observations had greatly improved due to photography.’
    • ‘To astronomers, a transit occurs whenever a small astronomical object passes in front of a larger one.’
    • ‘Zach was now appointed as director of a new astronomical observatory to be built at Seeberg, Gotha.’
    • ‘This discovery was of great importance to the astronomical world, but Hubble's greatest moment was yet to come.’
    • ‘Of all of the astronomical objects, the Sun is the most important to human beings.’
    • ‘From Lippershey, Galileo picked up the idea of building a telescope for astronomical research.’
    • ‘Al-Mahri used astronomical observations of the height of stars to determine the difference in latitude between two places.’
    • ‘One of the most extraordinary buildings is a circular astronomical observatory.’
    • ‘Thus the core mystery is not yet solved: what kind of astronomical object could explode so catastrophically?’
    • ‘In that year he corrected the calendar to bring it into line with his accurate astronomical observations.’
    celestial, planetary, stellar, astronomic, heavenly
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  • 2informal (of an amount) extremely large.

    ‘he wanted an astronomical fee’
    • ‘Even some of the more hardened observers are stunned by the astronomical amounts of money that can be made.’
    • ‘The ornateness of the decoration and the skill of the band must have required an astronomical amount of money.’
    • ‘Not every company charges an astronomical rate, a massive arrangement fee and suggests a loan which extends to the next generation.’
    • ‘If you add all the money raised for cancer research each year, you will have an astronomical amount.’
    • ‘A total of 15,200 workers have come to Britain this summer, some expecting to earn astronomical sums.’
    • ‘Next he went on to tell me how hard it was for him to pay the astronomical education fees for his daughter on the money he made as a taxi driver.’
    • ‘It is spending astronomical amounts of money, alienating allies and further antagonizing opponents.’
    • ‘If we agree to this, in a very short time fees will be at astronomical levels and we will have created a market in higher education.’
    • ‘Such astronomical fees would put university beyond the reach of many.’
    • ‘Centre forwards are match winners - they are the ones who spark bidding wars and attract the astronomical transfer fees.’
    • ‘To my advantage was the fact I wouldn't cost an astronomical fee.’
    • ‘It seems the pay is average but the workplace hazard allowance is astronomical.’
    • ‘Now the truth is that the government wants people to smoke, as the amount of tax that we pay on cigarettes in astronomical.’
    huge, enormous, very large, very great, very big, prodigious, tremendous, monumental, mammoth, colossal, vast, gigantic, massive, epic, monstrous, terrific, titanic, towering, king-sized, king-size
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Origin

Mid 16th century: via Latin from Greek astronomikos, from astronomia (see astronomy).

Pronunciation

astronomical

/ˌæstrəˈnɑmək(ə)l//ˌastrəˈnämək(ə)l/