Optical Meaning
/ˈɒptɪkəl/Definition, CEFR level C1, pronunciation, examples, and quiz.
Listen pronunciation
Definition
adjOf or relating to sight; visual.
adjDesigned to assist or enhance sight
Sentence Examples
This looks longer than that, but it is an optical illusion.
Lenses with two distinct optical powers are also called "bifocals".
CEFR Practice Quiz
The ____ illusion fooled everyone into thinking the straight lines were curved.
CEFR Practice Quiz (Alternate)
The telescope uses an advanced ____ system to capture images of distant galaxies with precision.
Word Origin & History
Etymology tree English optic Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English optical From optic + -al.
Literary Quotations & Historical Citations
"It is a glossy film with gross, opulent opticals and little comic, or any, relief; it has the jaundiced complexion of an early 60s underground film, which it is; it is ponderous, Wagnerian, and feels about five hours long (its running time is about an hour)."
— 1976 August 14, Gary Jane Hoisington, “Locker Room As The Site Of Religious Ecstasy”, in Gay Community News, volume 4, number 7, page 9:
"If you plan to output back to film, opticals and effects can be shot on film or generated by computer and then transferred to film."
— 2006, David K. Irving, Peter W. Rea, Producing and Directing the Short Film and Video, page 294:
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The ____ illusion fooled everyone into thinking the straight lines were curved.
CEFR Practice Quiz (Alternate)
The telescope uses an advanced ____ system to capture images of distant galaxies with precision.