Me*lan"o*scope, n. Etym: [Gr. -scope.] (Opt.)
Definition: An instrument containing a combination of colored glasses such that they transmit only red light, so that objects of other colors, as green leaves, appear black when seen through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc., by the red light which they emit.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 October 2024
(adjective) lacking eyes or eyelike features; “eyeless fish that evolved in dark caves”; “an eyeless needle”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
