activation energy vs energy

energy vs activation energy

activation energy and energy both are nouns.

Word	Noun	Adjective	Verb	Adverb
activation energy	Yes	No	No	No
energy	Yes	No	No	No

As nouns, energy is a hypernym of activation energy; that is, energy is a word with a broader meaning than activation energy:

activation energy: the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur
energy: (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

Other hypernyms of activation energy include free energy.

activation energy (noun)	energy (noun)
the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur	forceful exertion
	an imaginative lively style (especially style of writing)
	enterprising or ambitious drive
	(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
	any source of usable power
	a healthy capacity for vigorous activity

Difference between activation energy and energy

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