main sequence

noun

Definition of main sequence

: the group of stars that on a graph of spectrum versus luminosity forms a band comprising 90 percent of stellar types and that includes stars representative of the stages a normal star passes through during the majority of its lifetime

Examples of main sequence in a Sentence

Recent Examples on the Web

Most of the stars in our galaxy, including the sun, are categorized as main sequence stars. Catherine Zuckerman, National Geographic, "Everything you wanted to know about stars," 20 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'main sequence.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of main sequence

1925, in the meaning defined above

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Dictionary Entries near main sequence

mainprisor

mains

mainsail

main sequence

main shaft

mainsheet

mainspring

Statistics for main sequence

Last Updated

10 Jul 2019

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Time Traveler for main sequence

The first known use of main sequence was in 1925

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More from Merriam-Webster on main sequence

Britannica.com: Encyclopedia article about main sequence

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