parfocal

[ pahr-foh-kuhl ]

/ pɑrˈfoʊ kəl /

Save This Word!

adjective Optics.

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.

QUIZ

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

true

false

TAKE THE QUIZ TO FIND OUT

Origin of parfocal

First recorded in 1885–90; par¹ + focal

Words nearby parfocal

parev, pareve, par excellence, parfait, parfleche, parfocal, par for the course, parfum, pargasite, parget, pargeting