The energy barrier that must be overcome for a reaction to begin.
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.
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Energy level
a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules; "according to quantum theory only certain energy levels are possible"
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energy derived from sources that do not use up natural resources or harm the environment
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the energy released by a nuclear reaction
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.that part of the energy in a substance that can be released by a chemical reaction
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the energy needed to break every chemical bond in a molecule and completely separate all its atoms.
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.potential energy that is stored when a body is deformed (as in a coiled spring)
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.(physics) the potential energy of an electric charge in an electric field, or of an electric current in a magnetic field.
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"; "The power went…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.A power in nature, a manifestation of energy, exhibiting itself when in disturbed equilibrium or in activity by a circuit movement, th…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.Internal or inherent power; capacity of acting, operating, or producing an effect, whether exerted or not; as, men possessing energies…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur; "catalysts are said to red…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules; "according…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the energy involved in the exchange interaction.; "Exchange energy splittings are very elusive to calculate for molecular systems at l…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs;…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.A force in nature which is recognized in various effects, but especially in the phenomena of fusion and evaporation, and which, as man…
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.a form of energy that is transferred by a difference in temperature
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.the mechanical energy that a body has by virtue of its motion
Used in the same subject area: Mechanics, Physical chemistry, Physics, Chemistry.
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Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
The act or process of absorbing or sucking in anything, or of being absorbed and made to disappear; as, the absorption of bodies in a…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.(physics) a theory of atomic structure that combined Rutherford's model with the quantum theory; electrons orbiting a nucleus can only…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.That branch of science which treats of the composition of substances, and of the changes which they undergo in consequence of alterati…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
Its definition shares important concepts with this word: definite, stable, energy, physical, system.valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
Its definition shares important concepts with this word: definite, stable, energy, physical, system.Having certain or distinct; determinate in extent or greatness; limited; fixed; as, definite dimensions; a definite measure; a definit…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.(chemistry) the total energy in an assembly of molecules is not distributed equally but is distributed around an average value accordi…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "entha…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty a…
Its definition shares important concepts with this word: definite, stable, energy, physical, system.A suffix used to denote in the form / shape of, resembling, etc.; as, valiform; oviform.
Its definition shares important concepts with this word: definite, stable, energy, physical, system.
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