What does the word optics mean?

Usage examples for optics

  1. Love of life has a very different effect on the optics,- it makes a man wofully dim of inspection, and sometimes causes him to see his own property in another man's purse! – Paul Clifford, Volume 6. by Edward Bulwer-Lytton
  2. Townley states that Gascoigne had completed a treatise on optics, which was ready for publication, but that no trace of the manuscript could be discovered after his death. – The Astronomy of Milton's 'Paradise Lost' by Thomas Orchard
  3. I've got my eye on some companies- domestic natural gas, fiber optics, fuel cell technology. – O+F by John Moncure Wetterau