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Definisjon av atom

Vi fant 10 definisjoner av atom på engelsk.

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WordNet WordNet by Princeton University

Noun
atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element
substance the real physical matter of which a person or thing consists; "DNA is the substance of our genes"
chemical element, element the most favorable environment for a plant or animal; "water is the element of fishes"
molecule (physics and chemistry) the simplest structural unit of an element or compound
natural philosophy, physics the science of matter and energy and their interactions; "his favorite subject was physics"
chemical science, chemistry the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
elementary particle, fundamental particle (physics) a particle that is less complex than an atom; regarded as constituents of all matter
nucleus a part of the cell containing DNA and RNA and responsible for growth and reproduction
isotope one of two or more atoms with the same atomic number but with different numbers of neutrons
monad (biology) a single-celled microorganism (especially a flagellate protozoan)
carbon atom an atom of carbon
hydrogen atom an atom of hydrogen
atom - (nontechnical usage) a tiny piece of anything
molecule, particle, corpuscle, mote, speck
material, stuff things needed for doing or making something; "writing materials"; "useful teaching materials"
grain the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric; "saw the board across the grain"
grinding a harsh and strident sound (as of the grinding of gears)
chylomicron a microscopic particle of triglycerides produced in the intestines during digestion; in the bloodstream they release their fatty acids into the blood
flyspeck a tiny dark speck made by the excrement of a fly
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Wiktionary Wiktionary dictionary logo

Substantiv
atom - The smallest, indivisible constituent part or unit of something.
atom - The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
atom - A theoretical particle of matter, imagined to be incapable of further division; the smallest possible unit of substance.
atom - The smallest medieval unit of time, equal to fifteen ninety-fourths of a second.
atom - An individual number or symbol, as opposed to a list. A scalar value.
atom - A very small amount.

Wikipedia Wiktionary dictionary logo

  • The atom is a basic unit of matter that consists of a dense, central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons (except in the case of hydrogen-1, which is the only stable nuclide with no neutrons). The electrons of an atom are bound to the nucleus by the electromagnetic force.

OmegaWiki Dictionary Ω

  • atom
    (chemistry and physics), is the smallest possible particle of a chemical element that retains its chemical properties.

Substantiv

  • Entall: atom
  • Flertall: atoms

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