Dictionary.com
Thesaurus.com

Kepler

American  
[kep-ler] / ˈkɛp lər /

noun

  1. Johannes 1571–1630, German astronomer.

  2. a crater in the second quadrant of the face of the moon having an extensive ray system: about 22 miles (35 km) in diameter.


Kepler 1 British  
/ ˈkɛplə /

noun

  1. Johannes (joˈhanəs). 1571–1630, German astronomer. As discoverer of Kepler's laws of planetary motion he is regarded as one of the founders of modern astronomy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Kepler 2 British  
/ ˈkɛplə /

noun

  1. a small crater in the NW quadrant of the moon, centre of a large bright ray system

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Kepler Scientific  
/ kĕplər /
  1. German astronomer and mathematician who is considered the founder of celestial mechanics. He was first to accurately describe the elliptical orbits of Earth and the planets around the Sun and demonstrated that planets move fastest when they are closest to the Sun. He also established that a planet's distance from the Sun can be calculated if its period of revolution is known.


Other Word Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Rocket Lab said it now has a deal to operate a mission for Kepler Communications, using its Neutron rocket, which is on schedule to be rolled out to the launch pad next quarter.

From MarketWatch Aug. 10, 2026

This aligns with earlier findings from NASA's Kepler mission -- a space telescope that previously measured planet occurrence rates, but the new analysis reduces uncertainties by up to a factor of ten.

From Science Daily May 3, 2026

"The war is going to be a big talking point," said Jon Cox, an industry analyst with Kepler Cheuvreux financial services.

From Barron's Apr. 14, 2026

Alexis Garavaryan, chief executive of Clair Obscur publisher Kepler Interactive, said it was "an honour that Sandfall's exceptional work has been recognised by BAFTA".

From BBC Mar. 12, 2026

Once again, the language of the school was Latin, in which Kepler became fluent.

From "The Scientists" by John Gribbin

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training