Word.ws English Dictionary

equiconcave

equiconcave adjective: having surfaces with the same concave radius of curvature.

Adjective

equiconcave (comparative more equiconcave, superlative most equiconcave)

  1. Having surfaces with the same concave radius of curvature.
    • In an equiconcave lens the foci are virtual and are crossed over; thus, the lens in fig. 25A is equiconcave, the focus F, instead of being measured from A to the right hand, must be measured to the left hand; consequently, § of the thickness must be subtracted from the focal length in order to...1901, William Benjamin Carpenter, William Henry Dallinger, The Microscope and Its Revelations, page 22
    • In an equiconcave lens, the back surface would have a positive radius of curvature.2022 October 4, Samantha Strong, Introduction to Visual Optics, Elsevier Health Sciences, →ISBN, page 202

Forms of equiconcave

comparativemore equiconcave
superlativemost equiconcave

Origin of equiconcave

From equi- + concave.

Questions about equiconcave

What does equiconcave mean?
Equiconcave means having surfaces with the same concave radius of curvature.
What part of speech is equiconcave?
Equiconcave is an adjective.

Words near equiconcave in the dictionary

  1. equicidal
  2. equicide
  3. equicides
  4. equicohesive
  5. equicohesive temperature
  6. equiconcave
  7. equiconcentrated
  8. equiconcentration
  9. equiconsistent
  10. equicontinuity
  11. equicontinuous

Source and license

Adapted from Wiktionary: equiconcave (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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