spectroheliogram

noun
spec·​tro·​he·​lio·​gram | \ ˌspek-trō-ˈhē-lē-ə-ˌgram How to pronounce spectroheliogram (audio) \

Definition of spectroheliogram

: a photograph of the sun that is made by monochromatic light and shows the sun's faculae and prominences

First Known Use of spectroheliogram

1905, in the meaning defined above

Keep scrolling for more

Learn More about spectroheliogram

Share spectroheliogram

Statistics for spectroheliogram

Look-up Popularity

Time Traveler for spectroheliogram

The first known use of spectroheliogram was in 1905

See more words from the same year

Comments on spectroheliogram

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

WORD OF THE DAY

the range of authority or knowledge

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Add Diction

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!