penumbral
(adjective) of or pertaining to the region of partial shadow around an umbra
Source: WordNet® 3.1
penumbral (not comparable)
Of, or pertaining to, the penumbra.
Source: Wiktionary
22 April 2025
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
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.
