ruthenium red

noun

: an ammoniated ruthenium chloride obtained as a brownish red powder and used as a microscopic stain and as a test especially for pectin and gums

Word History

First Known Use

1893, in the meaning defined above

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Rhymes for ruthenium red

• abed
• ahead
• beachhead
• bedspread
• bedstead
• behead
• blackhead
• blockhead
• bloodshed
• bowhead
• breastfed
• bridgehead