aspherical

a·spher·i·cal

A a

Transcription

- US Pronunciation
- US IPA
- [ey-sfer-i-kuh l or ey-sfer-ik]
- /eɪˈsfɛr ɪ kəl or eɪˈsfɛr ɪk/

- US Pronunciation
- US IPA
- [ey-sfer-i-kuh l or ey-sfer-ik]
- /eɪˈsfɛr ɪ kəl or eɪˈsfɛr ɪk/

Definitions of aspherical word

adjective aspherical (of a reflecting surface or lens) deviating slightly from a perfectly spherical shape and relatively free from aberrations. 1
noun aspherical (especially of the surface of an optical lens) not spherical. 1
adjective aspherical Not (quite) spherical. 0

See all 3 definitions of aspherical

Information block about the term

Origin of aspherical

First appearance:

before 1920

One of the 12% newest English words

First recorded in 1920-25; a-6 + spherical

Historical Comparancy

Parts of speech for Aspherical

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Aspherical

aspherical popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 55% of English native speakers know the meaning and use word.

According to our data about 52% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

aspherical usage trend in Literature

This diagram is provided by Google Ngram Viewer