iriscope (plural iriscopes)
A philosophical toy for exhibiting the prismatic tints by means of thin films.
Source: Wiktionary
I"ri*scope, n. Etym: [Iris + -scope.]
Definition: A philosophical toy for exhibiting the prismatic tints by means of thin films.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 May 2025
(adjective) not developed, improved, exploited or used; “vast unexploited (or undeveloped) natural resources”; “taxes on undeveloped lots are low”
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.
