Iau

name

name ·Rare ·Advanced level

Definitions

Proper Noun
  1. 1
    Initialism of International Astronomical Union, an association of professional astronomers, founded in 1919. abbreviation, alt-of, initialism
  2. 2
    A Lakes Plain language spoken by the Turu people.
  3. 3
    The main belt asteroid 5000 IAU, named after the astronomical union.

Example

More examples

"According to the IAU, a "dwarf planet" is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighbourhood around its orbit, and (d) is not a satellite."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.