hyperacidity

1 of 2

noun

hy·​per·​acid·​i·​ty ˌhī-pər-ə-ˈsi-də-tē How to pronounce hyperacidity (audio)
: the condition of containing more than the normal amount of acid
hyperacid adjective

hyperacid

2 of 2

adjective

hy·​per·​acid ¦hīpə(r)+ How to pronounce hyperacid (audio)
: excessively acid : containing more than the normal amount of acid
a hyperacid secretion
hyperacidity noun
plural -es

Word History

Etymology

Adjective

hyper- + acid

First Known Use

Noun

circa 1890, in the meaning defined above

Time Traveler
The first known use of hyperacidity was circa 1890

Browse Nearby Words

Cite this Entry

“Hyperacidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperacidity. Accessed 17 Jun. 2026.

Kids Definition

hyperacidity

noun
hy·​per·​acid·​i·​ty ˌhī-pə-rə-ˈsid-ət-ē How to pronounce hyperacidity (audio)
: the condition of containing more than the normal amount of acid
hyperacid adjective

Medical Definition

hyperacidity

noun
hy·​per·​acid·​i·​ty ˌhī-pə-rə-ˈsid-ət-ē How to pronounce hyperacidity (audio)
plural hyperacidities
: the condition of containing more than the normal amount of acid
hyperacid adjective
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