quword 趣词
Word Origins Dictionary
- alcohol (n.)




- 1540s (early 15c. as alcofol), "fine powder produced by sublimation," from Medieval Latin alcohol "powdered ore of antimony," from Arabic al-kuhul "kohl," the fine metallic powder used to darken the eyelids, from kahala "to stain, paint." The al- is the Arabic definite article, "the."
"Powdered cosmetic" was the earliest sense in English; definition broadened 1670s to "any sublimated substance, the pure spirit of anything," including liquids. Modern sense of "intoxicating ingredient in strong liquor" is first recorded 1753, short for alcohol of wine, which was extended to "the intoxicating element in fermented liquors." In organic chemistry, the word was extended 1850 to the class of compounds of the same type as this. - organic (adj.)




- 1510s, "serving as an organ or instrument," from Latin organicus, from Greek organikos "of or pertaining to an organ, serving as instruments or engines," from organon "instrument" (see organ). Sense of "from organized living beings" is first recorded 1778 (earlier this sense was in organical, mid-15c.). Meaning "free from pesticides and fertilizers" first attested 1942. Organic chemistry is attested from 1831.
- peracid




- "An acid which contains a peroxide group, especially (in organic chemistry) the group —CO·O·OH", Early 20th cent.; earliest use found in Journal of the Chemical Society. From per- + acid, after German Persäure.
- bioinorganic




- "Of or relating to both biology and inorganic chemistry; specifically designating biochemical compounds containing metal atoms (as haemoglobin, chlorophyll, etc.) and the branch of chemistry concerned with such compounds", 1970s; earliest use found in Science. From bio- + inorganic.