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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Specific heat
the heat required to raise the temperature of one gram of a substance one degree centigrade
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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.(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.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.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 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, Thermodynamics, Physical chemistry, Physics, Chemistry.a form of energy that is transferred by a difference in temperature
Used in the same subject area: Mechanics, Thermodynamics, Physical chemistry, Physics, Chemistry.heat liberated by a unit mass of gas at its boiling point as it condenses into a liquid; "the heat of condensation is equal to the hea…
Used in the same subject area: Mechanics, Thermodynamics, Physical chemistry, Physics, Chemistry.heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature; "the…
Used in the same subject area: Mechanics, Thermodynamics, 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.
To bring forward; to move towards the van or front; to make to go on.
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The standard atmospheric pressure used in certain physical measurements calculations; conventionally, that pressure under which the ba…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.That which binds, ties, fastens, or confines, or by which anything is fastened or bound, as a cord, chain, etc.; a band; a ligament; a…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The male of any species of cattle (Bovidae); hence, the male of any large quadruped, as the elephant; also, the male of the whale.
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.To consume with fire; to reduce to ashes by the action of heat or fire; -- frequently intensified by up: as, to burn up wood.
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.An abbreviation for Centimeter, Gram, Second. -- applied to a system of units much employed in physical science, based upon the centim…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The principle of heat, or the agent to which the phenomena of heat and combustion were formerly ascribed; -- not now used in scientifi…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The unit of heat according to the French standard; the amount of heat required to raise the temperature of one kilogram (sometimes, on…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The Celsius thermometer or scale, so called from Anders Celsius, a Swedish astronomer, who invented it. It is the same as the centigra…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.Consisting of a hundred degrees; graduated into a hundred divisions or equal parts.
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The hundredth part of a gram; a weight equal to .15432 of a grain. See Gram.
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.The unit for estimating the weight of a/riform substances; -- the weight of a liter of hydrogen at 0/ centigrade, and with a tension o…
Its definition shares important concepts with this word: heat, required, raise, temperature, gram.
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