: hemoglobin a1c
At least twice a year he has an A1c test, which shows how well his blood sugar levels have been controlled over a three-month period.Anita Manning

A1C

2 of 2

abbreviation

variants or A/1C
airman first class

Examples of A1c in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Noun
Hemoglobin A1c levels went from 39.3 to 36.6, indicating better blood sugar control.1 While the findings are promising, some limitations should be considered, Alhusayen said. Alyssa Hui, Health, 7 Oct. 2024 Besides the trial sub-population being at severe cardiovascular risk, 72% were male, 84% Caucasian and 66% had A1c levels over 5.7 indicating prediabetes. Joshua Cohen, Forbes, 13 Nov. 2023

Word History

First Known Use

Noun

2000, in the meaning defined above

Time Traveler
The first known use of A1c was in 2000

Dictionary Entries Near A1c

Cite this Entry

“A1c.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A1c. Accessed 17 Nov. 2024.

Medical Definition

: hemoglobin a1c
At least twice a year he has an A1c test, which shows how well his blood sugar levels have been controlled over a three-month period.Anita Manning, USA Today
Last Updated: - Updated example sentences
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