bromthymol blue
noun
brom·thy·mol blue ˌbrōm-ˈthī-ˌmȯl- 
variants or bromothymol blue
: a dye derived from thymol that is an acid-base indicator
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“Bromthymol blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/bromthymol%20blue. Accessed 26 Apr. 2026.
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bromthymol blue
noun
brom·thy·mol blue ˌbrōm-ˌthī-ˌmȯl-
-ˌmōl-
: a dye that is an acid-base indicator
called also bro*mo*thy*mol blue\ ˌbrō-mō- \
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