from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A biological stain used in histology and cytology.

from the GNU version of the Collaborative International Dictionary of English

  • n. An orange-red dyestuff extracted from the saffron.
  • n. A red dyestuff extracted from the safflower, and formerly used in dyeing wool, silk, and cotton pink and scarlet; -- called also Spanish red, China lake, and carthamin.
  • n. An orange-red dyestuff prepared from certain nitro compounds of creosol, and used as a substitute for the safflower dye.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any of a class of chiefly red organic dyes


Sorry, no etymologies found.


  • To visualize xylem strands, tissues were stained for 5 min with safranin-O (1% w/v in 95% ethanol) and dipped momentarily into 95% ethanol to wash out excess stain, before mounting in 25% (w/v) chloral hydrate.

    PLoS ONE Alerts: New Articles

  • Stained tissue culture cells and thin sections were labeled with either fluorescent dyes or common histology stains such as eosin, fast green, and safranin.


Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.