yellow dwarf

noun

: any of several plant diseases of cereal grasses (such as oats and barley), onions, potatoes, tomatoes, or tobacco that are characterized by yellowing and stunting and are caused by viruses

Example Sentences

Recent Examples on the Web For the moment, the only place in the universe where that has happened is on our pale blue dot orbiting a nondescript yellow dwarf star. The Physics Arxiv Blog, Discover Magazine, 30 Oct. 2020 Finally, our sun itself qualifies as a bit strange, even though it’s long been billed as an ordinary yellow dwarf star. Bruce Dorminey, Discover Magazine, 22 Jan. 2020 Yet the fine points of the astrophysics controlling our deceptively simple yellow dwarf star remains a puzzle. Bruce Dorminey, Forbes, 2 July 2022 TOI-849b's host star is a late G-class yellow dwarf, a little cooler and approximately 2 billion years older than our Sun, with about nine-tenths its mass and radius. Jim Salter, Ars Technica, 6 July 2020 Our sun, a yellow dwarf, is currently in the main sequence stage of its life. Jennifer Leman, Popular Mechanics, 17 Feb. 2020 While the Earth’s bulging depends on how its oceans rub against the ocean floor, the exact structure of tides on WASP-12b’s yellow dwarf star remains mysterious. Charlie Wood, Popular Science, 2 Jan. 2020 Now a yellow dwarf, the sun is currently halfway through its lifespan. Jennifer Leman, Popular Mechanics, 3 Nov. 2019 Its star, a red dwarf, is considerably smaller and cooler than our sun, a yellow dwarf, and its atmosphere is also different than ours. Washington Post, 11 Sep. 2019 See More

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

Word History

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of yellow dwarf was in 1928

Dictionary Entries Near yellow dwarf

Cite this Entry

“Yellow dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yellow%20dwarf. Accessed 7 Feb. 2023.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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


Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY