different between astronomy vs astroid

English

Wikiversity

Etymology

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

Pronunciation

• (General American) IPA^(key): /??st??n??mi/, /æ?st??n??mi/
• Rhymes: -?n?mi

Noun

astronomy (usually uncountable, plural astronomies)

1. The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
2. (obsolete) Astrology.
   • 1609, William Shakespeare, Sonnet 14:

     Not from the stars do I my judgment pluck;

     And yet methinks I have astronomy ...

Usage notes

• The study of the physical processes which control matter and energy in the universe is commonly called astrophysics. The investigation of the origin, evolution, and fate of the universe itself is called cosmology.

Synonyms

• stargazing

Hypernyms

• science

Hyponyms

Derived terms

Related terms

Translations

See also

• cosmology
• uranology
• starlore

References

• astronomy at OneLook Dictionary Search

English

Etymology

Ancient Greek ?????? (ástron, “a star”) + ????? (eîdos, “form, likeness”).

Noun

astroid (plural astroids)

1. (geometry) A hypocycloid with four cusps.

Related terms

• asteroid
• astronomy

Translations

See also

• asteroid

Further reading

• astroid in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• astroid in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Anagrams

• Tirados