planetology

noun
plan·et·ol·o·gy | \ˌpla-nə-ˈtä-lə-jē \
plural planetologies

Definition of planetology 

: a branch of astronomy that deals with the condensed matter of the solar system and especially with the planets and their moons

Other Words from planetology

planetological \ˌpla-nə-tə-ˈlä-ji-kəl \ adjective
planetologist \ˌpla-nə-ˈtä-lə-jist \ noun

First Known Use of planetology

1865, in the meaning defined above

Keep scrolling for more

Learn More about planetology

Share planetology

Statistics for planetology

Look-up Popularity

Time Traveler for planetology

The first known use of planetology was in 1865

See more words from the same year

Comments on planetology

What made you want to look up planetology? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!