Trivial name of vitriol" (sulfuric acid), and "cream of tartar" (potassium bitartrate) borrowed their language from the kitchen. Many more names were based on color; for example, hematite, orpiment, and verdigris come from words meaning "blood-like stone", "gold pigment", and "green of Greece". Some names are based on their use. Lime is a general name for materials combining calcium with carbonates, oxides or hydroxides; the name comes from a root "sticking or adhering"; its earliest use was as mortar for construction. Water has several systematic names, including "oxidane" (the IUPAC name), "hydrogen oxide", and "dihydrogen monoxide" (DHMO). The latter was the basis
Today is Friday Muscular Christianity. Being one of Hemingway's lesser known works, "Today is Friday" has not been subject to much criticism, scholarly or otherwise. It has been treated as a "puzzling" work by Hemingway, lending mostly to the question of genre. Joseph M. Flora notes that this confusion spurs from the work being included in two of Hemingway's short story collections: Men Without Women and The Fifth Column and the First Forty-Nine Stories, thus treating it as a short story despite clearly being written in the form of a play. The most scolding criticism of the play came from Carlos Baker in