lensmaking en · NOUN
Etymology
From lens + making.
Meanings
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(uncountable) The manufacture of lenses.
In the preface to Micrographia (1665), Robert Hooke (English, 1635-1703) described one microscope lensmaking technique.
2016 September 22, Marvin Bolt, “Making microscope lenses in the 1600s”, in Behind the Glass:"We found a level that works for us, and we try to maintain that level," Mr. Probert said. It probably doesn't hurt that no lensmaking competitor advertises.
1981 March 10, Philip H. Dougherty, “Advertising; Our Hero Dons His New 'Mask'”, in The New York Times, archived from the original on 24 May 2015: