parfocal

par·fo·cal

P p

Transcription

- US Pronunciation
- US IPA
- [pahr-foh-kuh l]
- /pɑrˈfoʊ kəl/

- US Pronunciation
- US IPA
- [pahr-foh-kuh l]
- /pɑrˈfoʊ kəl/

Definitions of parfocal word

adjective parfocal of or relating to different eyepieces (of telescopes or microscopes) that all focus their images in the same plane, so that they can be interchanged without readjusting the instrument. 1
adjective parfocal (of a lens) maintaining focus even if magnification is changed 0

See all 2 definitions of parfocal

Information block about the term

Origin of parfocal

First appearance:

before 1885

One of the 21% newest English words

First recorded in 1885-90; par1 + focal

Historical Comparancy

Parts of speech for Parfocal

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Parfocal

parfocal popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 50% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

parfocal usage trend in Literature

This diagram is provided by Google Ngram Viewer