acetocarmine

noun

ace·​to·​car·​mine

¦a-sə-(ˌ)tō-ˈkär-mən,

-ˌmīn,

ə-ˌsē-tō-

plural -s

: a saturated solution of carmine in 45 percent acetic acid used especially for the rapid staining of fresh unfixed chromosomes

Word History

Etymology

acet- + carmine

First Known Use

1885, in the meaning defined above

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