aspheric

adjective
aspher·​ic | \ (ˌ)ā-ˈsfir-ik How to pronounce aspheric (audio) , -ˈsfer- \
variants: or aspherical \ (ˌ)ā-​ˈsfir-​i-​kəl How to pronounce aspherical (audio) , -​ˈsfer-​ \

Definition of aspheric

: departing slightly from the spherical form especially in order to correct for spherical aberration an aspheric lens

First Known Use of aspheric

1869, in the meaning defined above

Keep scrolling for more

Learn More about aspheric

Time Traveler for aspheric

Time Traveler

The first known use of aspheric was in 1869

See more words from the same year

Statistics for aspheric

Cite this Entry

“Aspheric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aspheric. Accessed 3 Dec. 2020.

Keep scrolling for more

More Definitions for aspheric

aspheric

adjective
aspher·​ic | \ (ˈ)ā-ˈsfi(ə)r-ik, -ˈsfer- How to pronounce aspheric (audio) \
variants: or aspherical \ -​i-​kəl How to pronounce aspherical (audio) \

Medical Definition of aspheric

: departing slightly from the spherical form especially in order to correct for spherical aberration an aspheric lens

Comments on aspheric

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

WORD OF THE DAY

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

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!