| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ar•gon /ˈɑrgɑn/USA pronunciation n. [uncountable]- Chemistrya colorless, odorless, inactive gas used in light bulbs.
WordReference Random House Unabridged Dictionary of American English © 2024ar•gon (är′gon),USA pronunciation n. [Chem.]- Chemistrya colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar;
at. no.: 18;
at. wt.: 39.948.
- Greek, neuter of argós inactive, not working, idle, contraction of aergós equivalent. to a- a-6 + érg(on) work + -os adjective, adjectival suffix
- 1890–95
Collins Concise English Dictionary © HarperCollins Publishers:: argon /ˈɑːɡɒn/ n - an extremely unreactive colourless odourless element of the rare gas series that forms almost 1 per cent (by volume) of the atmosphere. It is used in electric lights. Symbol: Ar; atomic no: 18; atomic wt: 39.948; density: 1.7837 kg/m³; freezing pt: –189.3°C; boiling pt: –185.9°C
Etymology: 19th Century: from Greek, from argos idle, inactive, from a-1 + ergon work |