umbra
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When the moon is within the umbra, the darkest part of Earth’s shadow, it looks red-orange, giving the eclipse the name “blood moon.”
From Los Angeles Times • Mar. 11, 2025
The lighter one, called the penumbra, will not have too much effect but the umbra, the inner and darker shadow, will darken the Moon.
From BBC • Sep. 17, 2024
And when the moon is fully in the umbra, that’s a total eclipse.
From Slate • Apr. 5, 2024
A solar eclipse occurs when a new moon aligns perfectly between Earth and the sun and briefly casts a shadow on our planet, called an umbra.
From National Geographic • Oct. 2, 2023
All were in the umbra of the magnificent hemlock.
From "Frightful's Mountain" by Jean Craighead George
![]()
Vocabulary lists containing umbra
Eclipse Vocabulary
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Space Science (Astronomy) - High School
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
The Moon - High School
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!