six-o-six

noun

ˌsiks-ˌō-ˈsiks How to pronounce six-o-six (audio)
variants or 606
: arsphenamine

Word History

Etymology

from its having been the 606th compound tested and introduced by Paul Ehrlich †1915

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of six-o-six was in 1910

Dictionary Entries Near six-o-six

sixmo

six-o-six

six-pack

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Cite this Entry

“Six-o-six.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/six-o-six. Accessed 23 Nov. 2024.

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Medical Definition

six-o-six

noun
variants or 606
ˌsik-ˌsō-ˈsiks How to pronounce six-o-six (audio)
: arsphenamine
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