Definition

1. Adjective:
   • Inconceivably large: Of a size, amount, or degree that is so immense it is difficult to comprehend or measure.
   • Relating to astronomy: Of or belonging to the science that studies celestial bodies and the universe as a whole.

Usage and Examples

• Meaning: Inconceivably large:

  • The company is facing astronomic debts that threaten its survival.
  • The cost of the new infrastructure project is simply astronomic.

• Meaning: Relating to astronomy:

  • The observatory houses an astronomic telescope used for deep-space observation.
  • He made several important astronomic calculations regarding the planet's orbit.

Advanced Usage

• "astronomic(al) figures/numbers/sums": Used to describe quantities, especially of money, that are extremely and often shockingly high.
  • The lawsuit resulted in an astronomic settlement figure.
• "astronomic(al) unit": A technical term in astronomy (often abbreviated AU) representing the mean distance from the Earth to the Sun, used as a standard measure within the solar system. (Note: This is a specific compound term listed here as it is a direct application of the 'relating to astronomy' meaning.)

Variants and Related Words

• Astronomical (adj): The more common variant, identical in meaning and usage to 'astronomic'.
  • Astronomical prices are keeping customers away.
• Astronomically (adv): To an astronomic degree or extent.
  • Prices have risen astronomically in the last decade.
• Astronomy (n): The scientific study of celestial objects and phenomena.
  • She decided to study astronomy at university.

Synonyms

• Colossal: Extremely large.
• Staggering: So great as to cause astonishment or disbelief.
• Celestial: Pertaining to the sky or heavens (synonymous with the 'astronomy' sense).

Antonyms

• Minuscule: Extremely small.
• Negligible: So small or unimportant as to be not worth considering.
• Terrestrial: Of or relating to the earth (antonym for the 'astronomy' sense).

Notes on Usage

• The adjectives astronomic and astronomical are fully interchangeable. Astronomical is the more frequently used form in modern English, especially in figurative contexts describing very large amounts.
• When used in its scientific sense ("relating to astronomy"), it typically precedes a noun like , , , or .

Adjective

1. inconceivably large
2. relating or belonging to the science of astronomy
   • astronomic telescope