resorcinolphthalein

1. 1.

   a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)

   Synonymsfluoresceinfluoresceinefluorescent dye

   Broaderdyeabsorption indicator

   Narrowereosin

   solution

Other forms of resorcinolphthalein

plural

resorcinolphthaleins·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about resorcinolphthalein

What does resorcinolphthalein mean?

resorcinolphthalein means "a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)".

How many syllables are in resorcinolphthalein?

resorcinolphthalein has 6 syllables: re-sor-ci-nolph-tha-lein. The stress falls on "nolph".

What is another word for resorcinolphthalein?

Close synonyms include fluorescein, fluoresceine, fluorescent dye. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is resorcinolphthalein a common word?

resorcinolphthalein is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.