Word Pronunciation & Dictionary

enthalpy

/ˈɛn.θəl.piː/

Word Rarity Very rare

Frequency: 2.38 in modern English

Syllables: en-thalpy
IPA: /ˈɛn.θəl.piː/

16

Scrabble Score

8

Letters

2

Syllables

8

Unique Chars

Meaning

noun

A measure of the heat content of a chemical or physical system.

Countable; Uncountable

Example Sentences

"H=U+pV, where H is enthalpy, U is internal energy, p is pressure, and V is volume."

Etymology

From Ancient Greek ἐν- (en-, “in”) + θάλπω (thálpō, “to warm”). Coined by Dutch physicist Heike Kamerlingh Onnes, but first used in print by J. P. Dalton in 1909 in a paper titled "Researches on the Joule-Kelvin-effect, especially at low temperatures".

Origin

Source language: Ancient Greek

Word Breakdown

Root: ἐν-

Usage

Inflected Forms

enthalpies (plural)

Derived Forms

enthalpic enthalpimetry enthalpogram

Phrases

enthalpy of vaporization Gibbs free energy

Frequently Paired Words

Gibbs free energy

Synonyms

heat content total heat h

Questions

How do you pronounce enthalpy?: The recorded pronunciation is /ˈɛn.θəl.piː/.
What does enthalpy mean?: A measure of the heat content of a chemical or physical system.
Where does enthalpy come from?: It is traced to Ancient Greek.

How to pronounce enthalpy

Open the pronunciation page — Open the Speakur entry for “enthalpy”.
Read the phonetic spelling — Read the IPA spelling (/ˈɛn.θəl.piː/) so you know which sounds to aim for.
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