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Trifocal vs Progressive - What's the difference?

trifocal | progressive |

As adjectives the difference between trifocal and progressive

is that trifocal is (optics) of or pertaining to corrective lenses that have three different powers per eye while progressive is belonging to or supporting a.

As a noun progressive is

a member or supporter of a.

trifocal

English

Adjective

(-)
  • (optics) Of or pertaining to corrective lenses that have three different powers per eye.

    • Related terms

    *bifocal *trifocals

    progressive

    English

    Adjective

    (en adjective)
  • Favouring or promoting progress; advanced.
  • Gradually advancing in extent; increasing.
  • Promoting or favoring progress towards improved conditions or new policies, ideas or methods.
    • a progressive politician
    progressive business leadership
  • Of or relating to progressive education.
    • a progressive school
  • (of an income tax or other tax) Increasing in rate as the taxable amount increases.
  • Advancing in severity.
    • progressive paralysis
  • liberal (politically)
  • (grammar) continuous

    • Antonyms

    * regressive * (advancing in severity) non-progressive * conservative

    Derived terms

    * progressive euchre * progressiveness * progressivism * progressivity

    Related terms

    * progress

    Noun

    (en noun)
  • A person who actively favors or strives for progress towards improved conditions, as in society or government.
  • (grammar) A progressive verb.

    • Derived terms

    * future perfect progressive * future progressive * past perfect progressive * past progressive * present perfect progressive * present progressive