Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - English astronomer who used Newton's laws of motion to predict the period of a comet (1656-1742).

edit
Usage examples (36)
  • Gone FishingBoy, I'd love to go off to Halley's Camps up in Halley Country for some fishing.
  • I refer to the nebula 13 M, known as Halley's nebula
  • One of the more famous of the short period class of comets is that known as Halley's Comet, which has a period of about 76 years.
  • So it was with this kind of Halley's Comet anticipation that I watched the new trailer for
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.