Word of the Day

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Few English words begin with the letter X, but of those that do, a number come from the Greek xēros, meaning "dry." Around the turn of the 20th century, botanists were using the terms xerophyte and xerophytic for plants that were well adapted to survive without much water. But when seeking a more generic word that included both animals and plants, they came up, ahem, dry. In a 1926 issue of Ecology, specialists proposed using xeric as a more generalized term for either flora or fauna. They further suggested that xerophytic, among other terms, "be entirely abandoned as useless and misleading." Not everyone liked the idea. In fact, the Ecological Society of America stated that xeric was "not desirable," preferring terms such as arid. Others declared that the word should refer only to habitats, not to organisms. Enough scientists used it anyway, however, that by the 1940s xeric was well documented in scientific literature.