Definition of atomic in English:

atomic

adjective

  • 1Relating to an atom or atoms.

    ‘the atomic nucleus’
    • ‘Because of its weak interaction with atomic nuclei, the neutrino travels freely through any material object and is very difficult to observe.’
    • ‘The region occupied by some atomic orbitals is spherical with the nucleus of the atom at the center of the sphere.’
    • ‘Nanotechnology is the study and manipulation of materials on atomic and molecular scales measured in billionths of a meter.’
    • ‘Studies of complex biological molecules at the atomic level will play a crucial role in this process.’
    • ‘The electromagnetic force holds electrons in orbit around atomic nuclei and is thus responsible for holding together all material with which we are familiar.’
    • ‘Particles from the atomic realm such as photons, electrons or atoms are fired at the first plate, which has two vertical slits in it.’
    • ‘In conventional superconductors, atomic vibrations induce the electron pairing.’
    • ‘Dispersed material may range in size from particles of atomic and molecular dimensions to particles whose size is measured in millimeters.’
    • ‘Early studies of radioactivity revealed that certain atomic nuclei were naturally radioactive.’
    • ‘An atomic orbital is the region around the nucleus of an atom where an electron of a particular energy is most likely to be found.’
    • ‘The study of molecular and atomic structure is called quantum chemistry, or quantum mechanics.’
    • ‘The breakthrough may help to address concerns about the safety of nanotechnology - the engineering and use of materials at an atomic or molecular scale.’
    • ‘Whilst we are a long way away from turning lead into gold, science at the atomic level, or nanotechnology, is with us already.’
    • ‘This device was originally used to map surfaces at the atomic level by using a single atom held at the tip of a probe.’
    • ‘Its output of particles (electrons, protons, ions and atomic nuclei) is approximately one million tonnes per second.’
    • ‘Later, Rutherford also discovered the atomic nucleus and the proton.’
    • ‘The latter half of the twentieth century has opened to scientists an entirely new world: the world of atomic and subatomic particles.’
    • ‘‘To me a table is a bowl of Jello,’ he says, a reference to the constant jitters that occur on the atomic level.’
    • ‘All substances occur in atomic form, each atom being eternal and indestructible.’
    • ‘One strategy for studying phase transitions is to sweep aside all the intricacy of atomic or molecular structure and build the simplest model that exhibits the behavior of interest.’
    1. 1.1Chemistry (of a substance) consisting of uncombined atoms rather than molecules.
      ‘atomic hydrogen’
      • ‘It consists of atomic and molecular hydrogen, with 10 per cent of helium.’
      • ‘Using a molecular beam epitaxy chamber, scientists spray-paint a surface with atoms under high temperatures, creating an atomic coating.’
      • ‘Scientists have broken water down to its atomic material.’
      • ‘The team has used gases such as ethanol to prevent oxidation and atomic oxygen or hydrogen to remove contamination and provide in-situ cleaning.’
      • ‘At that temperature, the gas has enough energy to excite molecular hydrogen but not atomic hydrogen.’
      • ‘When she observed the galaxy later using the radio telescope, she found that it is embedded in a huge disk of atomic hydrogen gas.’
    2. 1.2 Of or forming a single irreducible unit or component in a larger system.
      ‘a society made up of atomic individuals pursuing private interests’
      • ‘Naturally showing all of these components in full atomic detail does not get us anywhere, since there are way too many atoms.’
      • ‘The triangle is a kind of atomic unit in geometry.’
      • ‘We have this kind of litigious society where the state is constantly trying to mediate between the rights of all of these atomic individuals.’
      • ‘The whole issue is compromised by millennia of animal-human interaction that make it difficult to achieve moral clarity even in the atomic system of one owner and one pet.’
      • ‘Jeff is no stranger to the issues involved, but even knowing the requirements, it is still difficult to split patches into atomic pieces that each either fix or implement a single thing.’
      • ‘For low-resolution data, it is not necessary to consider the whole set of individual atomic positions.’
      • ‘It was a dream in which man cast off his atomic individuality, as the lycanthrope surrendered to the multiplicity of the wolf pack.’
      • ‘Iin this case it uses the atomic unit of digital life - a single screen of data on a Palm, a little brick of reality we spend so much time staring at all day long.’
      • ‘Computational docking and fitting techniques have been developed to assemble the atomic structures of their components.’
      • ‘From a philosophical point of view, one has to ask whether modeling growth using atomic units (modules or cells) makes sense at all.’
      • ‘This is expressed by saying that compound propositions are truth-functions of their component atomic propositions.’
      • ‘The human community, as he conceives it, is neither a mere juxtaposition of atomic individuals nor a superorganism living its own life apart from the individual members.’
    3. 1.3 Relating to, denoting, or using the energy released in nuclear fission or fusion.
      ‘the atomic age required a new way of political thinking’
      ‘atomic weapons’
      • ‘Shock at this event and fear of the possibility of atomic attack, led to the installation of a new system of cable communication in the USA.’
      • ‘Robert Oppenheimer, one of the scientists who created the American atomic bomb, characterized the atomic age as like two scorpions trapped in a glass jar.’
      • ‘The threat of nuclear proliferation will abate as dangerous stockpiles of atomic weapons are quickly used up.’
      • ‘Following the initial use of an atomic weapon against his country, the Japanese war minister, General Korechiki Anami, attempted to persuade the Japanese Supreme Council to continue the war.’
      • ‘This is like depending on super weapons to defend us in an atomic age.’
      • ‘Nuclear fusion is sort of the Holy Grail of energy production, whereby atomic nuclei slam together at high temperatures, fuse and release a great deal of energy.’
      • ‘Leahy's position on atomic weapons was affected by the fact that he simply did not believe that the bomb would work.’
      • ‘The atomic fallout would settle along the beaches and cities of the world - including New Zealand and Canada.’
      • ‘Radio Bikini reminds us that as long as there are atomic weapons around the world, what happened in that out of the way atoll is just another dumb decision, probably destined to be repeated.’
      • ‘The centrality of atomic fission and fusion is giving way to the collection, processing, fusion, and dissemination of information.’
      • ‘According to sources in the security services, upon his release the former atomic reactor technician is to be prevented from travelling abroad.’
      • ‘Israel has always maintained a policy of nuclear ambiguity, refusing to confirm or deny it has atomic weapons.’
      • ‘Just as nuclear scientists concerned about lethal radioactivity oppose atomic weapons, should marine scientists campaign for an end to coal-fired power stations?’
      • ‘The Soviets had exploded their first atomic device in 1949, but they lacked credible delivery systems to threaten the United States directly.’
      • ‘Since Hiroshima and Nagasaki, historians have devoted nearly as much energy to debating who made the decision to use the bomb as was released in the atomic explosions.’
      • ‘That the cooperation with the Kremlin had limits was shown in the Manhattan Project, the secret Anglo-American effort to acquire an atomic weapon before the Germans.’
      • ‘The atomic fallout is still falling, a silent, ominous dust that isn't remarked upon, only suggested.’
      • ‘We can scoff now at the innocence of the early atomic age when we were all advised that in a nuclear attack it was safe to hide under the kitchen table.’
      • ‘Has your recipe for nuclear fuel changed much since the birth of the atomic age?’
      • ‘Then, in late 1953, the Atomic Energy Commission succeeded in developing a high-yield, lightweight atomic weapon.’
      • ‘Cheney said recent information gleaned from a top former Pakistani nuclear scientist provided compelling evidence that Pyongyang has an active atomic weapons program.’
      • ‘It is precisely those features which are undesirable in a nuclear reactor that are vital in an atomic weapon.’
      • ‘The strike against Hiroshima on 6 August 1945 signaled the beginning of the atomic age and a revolution in strategic affairs.’
      • ‘Dr Barnaby worked in a British atomic weapons laboratory in the 1950s, and later headed up the Stockholm International Peace Research Institute.’
      • ‘This was the first film to suggest that mankind will have to conquer its destructive nature and control its atomic weapons if it ever wants to join the rest of the peace-loving Universe.’
      • ‘Mining of uranium ores has been a controversial issue because of its use in atomic weapons and the potential for accidents at nuclear power stations.’

Origin

Late 17th century: from modern Latin atomicus, from atomus indivisible (see atom).

Pronunciation:

atomic

/əˈtämik/