methyl orange

noun

: an alkaline dye used as a chemical indicator

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of methyl orange was in 1881

Dictionary Entries Near methyl orange

methylolurea

methyl orange

methyl parathion

See More Nearby Entries 

Cite this Entry

“Methyl orange.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methyl%20orange. Accessed 20 Apr. 2024.

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Kids Definition

methyl orange

noun
: an alkaline liquid mixture used as a dye to indicate the presence of acid

Medical Definition

methyl orange

noun
: a basic azo dye C14H14N3NaO3S that is used chiefly as an acid-base indicator and whose dilute solution is yellow when neutral and pink when acid
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