| 单词 | atomic |
| 释义 | atomic (once / 820 pages) adj Something that has to do with atoms is atomic. Atomic structure, for example, means the way an atom is organized and what it's made of. You'll often find the word atomic specifically describing power or weapons — in this case, atomic means the process of either splitting an atom, known as fission, or joining two atoms, fusion, to create energy. Also, every chemical element has its own atomic number, which is the number of protons in the nucleus of one of the element's atoms. Atomic comes from the Latin atomus, "indivisible particle," from the Greek atomos, "uncut" or "indivisible." WORD FAMILYatomic: atomically, subatomic+/atom: atomic, atomise, atomism, atomize, atoms/atomise: atomisation, atomised, atomiser, atomising/atomism: atomistic/atomistic: atomistical, atomistically/atomize: atomization, atomized, atomizer, atomizes, atomizing/atomizer: atomizers USAGE EXAMPLESThat’s because the traditional length of the day does not precisely measure actual time, as told by hyper-accurate atomic clocks. Time(Dec 30, 2016) Atomic clocks use ultraviolet signals emitted in the change of electron energy levels to tell the time. BBC(Dec 30, 2016) “It’s time that all nations put away the atomic bomb. I congratulate Japan for doing that and I’m happy the prime minister is here.” Washington Post(Dec 27, 2016) 1adj of or relating to or comprising atoms atomic structure atomic hydrogen 2adj immeasurably small Syn little, small limited or below average in number or quantity or magnitude or extent 3adj (weapons) deriving destructive energy from the release of atomic energy atomic bombs Syn|Ant nuclear thermonuclear using nuclear weapons based on fusion as distinguished from fission conventional (weapons) using energy for propulsion or destruction that is not nuclear energy |
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