anacamptics

== English == === Etymology === From Ancient Greek ἀνακαμπτικός (anakamptikós, “returning”), ultimately from κάμπτω (kámptō). === Noun === anacamptics (uncountable) (obsolete) The science of reflection of light or sound Synonym: (light) catoptrics ==== Related terms ==== anacamptic (adjective) === References === “anacamptics”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.