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Molecule   /mˈɑləkjˌul/   Listen
noun
Molecule  n.  
1.
One of the very small invisible particles of which all ordinary matter is supposed to consist.
2.
(Physics) The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state.
3.
(Chem.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom.






Collaborative International Dictionary of English 0.48








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"Molecule" Quotes from Famous Books



... conductor. There must, of course, be an end to this process in theory, because all the molecules once moved must return to rest, or to a former condition, before being moved again. Therefore it is necessary to add that when the motion of the last molecule has been absorbed by some apparatus for applying it to utility, the last particles, atoms, molecules, are restored to rest, and may again receive motion from infringing particles, and this transmission of energy along a conductor is continuous—continually ...
— Steam Steel and Electricity • James W. Steele

... accompany the transformation of starch by diastase, and even if not strictly correct it has, at any rate, proved itself to be a practical working hypothesis, by which the mashing and fermenting operations may be regulated and controlled. According to Brown and Morris, the starch molecule consists of five amylin groups, each of which corresponds to the molecular formula (C{12}H{20}O{10}){20}. Four of these amylin radicles are grouped centrally round the ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... a beautiful woman as he might have looked at a beautiful flower, confident that if he went beyond the mere admiration of it he would find only burned-out ashes. But in her he had seen something that was more than beauty, something that for a flashing moment had set stirring every molecule in his being. He had felt the desire to rest his ...
— The Hunted Woman • James Oliver Curwood

... quantities in America, Germany, France, Spain, Hungary, Norway, and Great Britain. According to Rose, apatite is made up of three molecules of tribasic calcium phosphate (Ca(PO4)2), combined with one molecule of calcium fluoride (Ca F2) or one molecule of ...
— Manures and the principles of manuring • Charles Morton Aikman

... know," calmly replied Serviss. "We admit that any material substance remains inexplicable. The molecule lies far below the line of visibility. We only push the zone of the known a little farther into the realm of the unknown; but how does ...
— The Tyranny of the Dark • Hamlin Garland


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