1
a
: relating to or containing the group N2 composed of two nitrogen atoms united to a single carbon atom of an organic radical
often used in combination
b
: relating to or containing diazonium
often used in combination
2
: of or relating to a photograph or photocopy whose production involves the use of a coating of a diazo compound that is decomposed by exposure to light

Word History

Etymology

International Scientific Vocabulary diaz-, diazo-, from di- + az-

First Known Use

1878, in the meaning defined at sense 1a

Time Traveler
The first known use of diazo was in 1878

Dictionary Entries Near diazo

Cite this Entry

“Diazo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diazo. Accessed 26 May. 2024.

Medical Definition

diazo

adjective
di·​azo dī-ˈaz-(ˌ)ō How to pronounce diazo (audio)
1
: relating to or containing the group N2 composed of two nitrogen atoms united to a single carbon atom of an organic radical
2
: relating to or containing diazonium
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