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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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英文字典中文字典相關資料:
  • 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
  • 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 - Science Notes and Projects
    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
  • Definition and Examples of a Molecule - ThoughtCo
    Here's an explanation of what a molecule is (and is not) with examples of common molecules A molecule is two or more atoms that form chemical bonds with each other, representing the smallest unit of a chemical compound with all the physical and chemical properties of the compound
  • Molecule: Definition, Examples, Facts Diagram - Science Facts
    A molecule is made up of atoms of one or more elements For example, aluminum is a pure element whose molecule is made up of a single element Likewise, a molecule of helium consists of a single atom of the element helium
  • What is Molecule | Types of Molecules, Example - Scienly
    In general, a molecule is a group of two or more atoms that are chemically bonded together It is formed when two or more atoms of the same elements or of different elements combine together by chemical combination For example, O 2 consists of atoms of the same element, while water (H 2 O) consists of atoms of different elements
  • Molecules – Definition, Types, Characteristics, Shapes - Examples
    What Is Molecule? A molecule is a group of two or more atoms bonded together, forming the smallest unit of a chemical compound that retains its chemical properties Atoms in a molecule are held together by chemical bonds, such as covalent bonds, where they share electrons
  • Molecule - New World Encyclopedia
    In chemistry, a molecule is an entity comprising two or more atoms held together by natural forces in a definite spatial arrangement The atoms are commonly joined together by shared pairs of electrons forming chemical bonds Generally, each molecule is relatively stable and electrically neutral
  • Molecules - (Information + Facts) - Science4Fun
    What is Molecule? When two or more than two atoms are combined together with Chemical Bonding, they form a molecule The molecule is a smallest possible unit of any substance, which can’t be further divided But, still, retains the same properties of the original substance For example, water is composed of H2O molecule





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