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Nounverified MWEverified

Congo Red

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)

MWE

Classifications

per-axis with provenance

Entity Type

Unknown—authoritativeglossary_import_default_pending_classifier

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Congo Reds
possessive: Congo Red's
pluralpossessive: Congo Reds'

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