You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
matchboard
(noun) a board that has a groove cut into one edge and a tongue cut into the other so they fit tightly together (as in a floor)
Source: WordNet® 3.1
matchboard (countable and uncountable, plural matchboards)
(carpentry) A type of wooden board that connects with others using a tongue and groove system
(sand casting) A thin piece of material (such as wood, plaster, or metal) that forms and aligns the matched parting surfaces for the two parts (the cope and the drag) of a molding box or flask, to which board patterns are attached in some casting methods.
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.