SINCE 1828
helioseismology
noun
he·lio·seis·mol·o·gy
| \ ˌhē-lē-ō-sīz-ˈmä-lə-jē
, -sīs-\
, -sīs-\
Definition of helioseismology
: the study of vibrations in the material that makes up the Sun
Scientists have discovered that the sun is vibrating, and they can detect this “global oscillation” using the new techniques of “helioseismology,” which are similar to those used in terrestrial seismology.— Madeleine Jacobs, Chicago Tribune, 29 Dec. 1985
Keep scrolling for more
Comments on helioseismology
What made you want to look up helioseismology? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share helioseismology
Resources for helioseismology