flannelboard (plural flannelboards)
Synonym: flannelgraph
Source: Wiktionary
24 October 2024
(noun) a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it; “the sums of the distances from the foci to any point on an ellipse is constant”
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.
