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molecule    音標拼音: [m'ɑləkj,ul]
n. 分子,些微

分子,些微

molecule
n 1: (physics and chemistry) the simplest structural unit of an
element or compound
2: (nontechnical usage) a tiny piece of anything [synonym: {atom},
{molecule}, {particle}, {corpuscle}, {mote}, {speck}]

Molecule \Mol"e*cule\, n. [Dim. fr. L. moles a mass: cf. F.
mol['e]cule. See 3d {Mole}.]
1. One of the very small invisible particles of which all
ordinary matter is supposed to consist.
[1913 Webster]

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.
[1913 Webster]

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}.
[1913 Webster]

138 Moby Thesaurus words for "molecule":
Kekule formula, ace, acid, acidity, agent, air, alkali, alkalinity,
alloisomer, anion, antacid, atom, atomic cluster, atomic particles,
base, benzene ring, biochemical, bit, branched chain, brute matter,
building block, cation, chain, chemical, chemical element,
chromoisomer, closed chain, component, compound, compound radical,
constituent, copolymer, cycle, dab, dimer, dole, dot, dram,
dribble, driblet, dwarf, earth, electron, element,
elementary particle, elementary unit, farthing, fire, fleck,
flyspeck, fragment, fundamental particle, gobbet, grain, granule,
groat, hair, handful, heavy chemicals, heterocycle, high polymer,
homocycle, homopolymer, hydracid, hyle, hypostasis,
inorganic chemical, ion, iota, isomer, jot, lattice, little,
little bit, lota, macromolecule, material, material world,
materiality, matter, meson, metamer, minim, minimum, minutiae,
mite, modicum, monad, monomer, mote, natural world, nature,
neutralizer, nonacid, nuclear particle, nutshell, organic chemical,
ounce, oxyacid, particle, pebble, physical world, pinch, pittance,
plenum, point, polymer, proton, pseudoisomer, quark, radical, ray,
reagent, ring, scruple, side chain, simple radical, smidgen,
smitch, space-lattice, speck, spoonful, spot, straight chain,
stuff, substance, substratum, sulfacid, the four elements,
thimbleful, tiny bit, tittle, trifling amount, trimer, trivia,
unit of being, water, whit

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  • Molecule - Wikipedia
    A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions that satisfy this criterion [4][5][6][7][8] In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when
  • Molecule | Definition, Examples, Structures, Facts | Britannica
    Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance Learn more about the properties and structures of molecules in this article
  • What Is a Molecule? Definition and Examples
    A molecule is an electrically neutral group of atoms held together by chemical bonds A molecule is defined as an electrically neutral group of two or more atoms connected by chemical bonds Here are examples of molecules and a look at the difference between a molecules, compounds, and ions Atom vs Molecule An atom is the smallest unit of an element All atoms of a single element contain the
  • Molecule: Definition, Examples, Facts Diagram
    What is a molecule in chemistry Learn how it is formed Also, learn about molecular compounds and formulas with examples, facts, and diagrams
  • MolView
    MolView is an intuitive web-application to make science and education more awesome! MolView is mainly intended as web-based data visualization platform You can use MolView to search through different scientific databases including compound databases, protein databases and spectral databases, and view records from these databases as interactive visualizations using WebGL and HTML5 technologies
  • MOLECULE Definition Meaning - Merriam-Webster
    The meaning of MOLECULE is the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms How to use molecule in a sentence
  • PubChem
    PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
  • Definition and Examples of a Molecule - ThoughtCo
    The terms molecule, compound, and atom can be confusing! Here's an explanation of what a molecule is with some examples of common molecules
  • Atoms and molecules - BBC Bitesize
    One molecule of the compound methane is made from one carbon atom and four hydrogen atoms These are carbon dioxide molecules Can you work out what elements the different coloured circles are?





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