double-concave love


from The Century Dictionary and Cyclopedia

  • Same as concavo-concave.


Sorry, no etymologies found.


  • The thick, double-concave lenses indicated a degree of myopia that must have bordered on total blindness without glasses, and acute tunnel vision, even with them.

    ...Or Your Money Back

  • By these it is seen that a double-convex lens tends to condense the rays of light to a focus, a double-concave to scatter them, and a concavo-convex combines both powers.

    American Hand Book of the Daguerreotype

  • Fig 5 represents a double-convex lens, Fig. 6 a double-concave, and

    American Hand Book of the Daguerreotype


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