concavo concave

/kɑnˈkeɪvoʊ kɑnˈkeɪv/
adjective
  1. Having both sides curved inward, like a lens that is thinner in the middle than at the edges.
    • This concavo-concave shape is often used in specialized optical instruments.
    • The glass piece was ground into a concavo-concave form for the experiment.
    • The optician recommended a concavo-concave lens for the patient's severe nearsightedness.
Synonyms
What does "concavo concave" mean? | whatsthatwordmean | whatsthatwordmean