Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

neutral red

noun

Definition of neutral red

  1. :  a basic dye used chiefly as a biological stain and acid-base indicator



1890

First Known Use of neutral red

1890


Medical Dictionary

neutral red

noun

Medical Definition of neutral red

  1. :  a basic phenazine dye used chiefly as a biological stain and acid-base indicator




Seen and Heard

What made you want to look up neutral red? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommodate accommodate acommadate accomodate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ