HA1c

noun

ˌāch-ˌā-ˌwən-ˈsē How to pronounce HA1c (audio)
: hemoglobin a1c
The HA1c test gauges average blood sugar levels over a period of 2-3 months by measuring how much glucose is attached to red blood cells.—Food & Fitness Advisor

Word History

First Known Use

2002, in the meaning defined above

Time Traveler
The first known use of HA1c was in 2002

Browse Nearby Words

ha'penny
HA1c
HAA
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Cite this Entry

“HA1c.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HA1c. Accessed 9 Jul. 2025.

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