atomic number definición, atomic number significado | diccionario de inglés definición

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Collins

atomic number

  

      n   the number of protons in the nucleus of an atom of an element.,   (Abbrev.)    at. no.     (Symbol)    Z     (Also called)    proton number  
Diccionario de inglés definición  
Collins
atomic  
      adj  
1    of, using, or characterized by atomic bombs or atomic energy  
atomic warfare     
2    of, related to, or comprising atoms  
atomic hydrogen     
3    extremely small; minute  
4      (Logic)   (of a sentence, formula, etc.) having no internal structure at the appropriate level of analysis. In predicate calculus, Fa is an atomic sentence and Fx an atomic predicate  
  atomically      adv  


atomic age  
      n   the. the current historical period, initiated by the development of the first atomic bomb towards the end of World War II and now marked by a balance of power between nations possessing the hydrogen bomb and the use of nuclear power as a source of energy  
atomic bomb   , atom bomb  
      n   a type of bomb in which the energy is provided by nuclear fission. Uranium-235 and plutonium-239 are the isotopes most commonly used in atomic bombs,   (Also called)    A-bomb, fission bomb      Compare       fusion bomb  
atomic clock  
      n   an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia  
atomic cocktail  
      n   an aqueous solution of radioactive substance, such as sodium iodide, administered orally as part of the treatment for cancer  
atomic energy  
      n      another name for       nuclear energy  
Atomic Energy Authority  
      n   (in Britain) a government body established in 1954 to control research and development in atomic energy,   (Abbrev.)    AEA  
Atomic Energy Commission  
      n   (in the U.S.) a federal board established in 1946 to administer and develop domestic atomic energy programmes,   (Abbrev.)    AEC  
atomic heat  
      n   the product of an element's atomic weight and its specific heat (capacity)  
atomic mass  
      n     (Chem)  
1    the mass of an isotope of an element in atomic mass units  
2    short for relative atomic mass; see atomic weight  
atomic mass unit  
      n   a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66x10--27 kg,   (Abbrev.)    amu     (Also called)    unified atomic mass unit, dalton  
atomic number  
      n   the number of protons in the nucleus of an atom of an element.,   (Abbrev.)    at. no.     (Symbol)    Z     (Also called)    proton number  
atomic pile  
      n      the original name for a       nuclear reactor  
atomic power  
      n      another name for       nuclear power  
atomic structure  
      n   the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral  
atomic theory  
      n  
1    any theory in which matter is regarded as consisting of atoms, esp. that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds  
2    the current concept of the atom as an entity with a definite structure  
   See       atomic structure  
atomic volume  
      n   the atomic weight (relative atomic mass) of an element divided by its density  
atomic weight  
      n      the former name for       relative atomic mass     (Abbrev.)    at. wt  
Dalton's atomic theory  
      n     (Chem)   the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules). The theory was the basis of modern chemistry  
     (C19: named after J. Dalton)  
International Atomic Time  
      n   the scientific standard of time based on the SI unit, the second, used by means of atomic clocks and satellites to synchronize the time standards of the major nations,   (Abbrev.)    TAI  
intra-atomic  
      adj   existing or occurring within an atom or atoms  
   Compare       interatomic  
relative atomic mass  
      n   the ratio of the average mass per atom of the naturally occurring form of an element to one-twelfth the mass of an atom of carbon-12.,   (Symbol)    Ar     (Abbrev)    r.a.m     (Former name)    atomic weight  
unified atomic mass unit  
      n      another name for       atomic mass unit  

Diccionario de inglés definición  

Diccionario colaborativo     Inglés Definiciones
n.
the greater number or part of something
"the majority of" can only refer to a number of things or people. When talking about an amount, "most of" should be used. Ex.: Most of (not the majority of) the harvest was saved.
adj.
That contains a node or nodes. Also as the second element in compounds: that contains or has a specified number of nodes.
[US] es genial
n.
watch a great number of episodes from the same television series in a row
portmanteau word: binge (excessive consumption of something) + watching
n.
a book that gives lists of facts, for example people's names, addresses, and telephone numbers, or the names and addresses of business companies, usually arranged in alphabetical order.
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