double dye

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Verb1.double dye - dye twice
dye - color with dye; "Please dye these shoes"
References in periodicals archive ?
After 6 h in the culture, the number of expanded blastocysts (with intact zona pellucida and refraction The double dye technique allowed a reliable and obvious distinction between the pink trophoectoderm nuclei and intact inner cell mass in which the nuclei appear blue.
Figure 1 is a photograph of pieces of multifibre fabric dyed with the triple dye and double dye mixtures.
Nylon will therefore be dyed brown in the triple dye experiment as it has taken up all three dyes, and purple in the double dye experiment as it has taken up both dyes.