Vocab Loco

VocabClass is sunsetting.
Say hello to something BETTER!

It’s not just different—it redefines word study.
But don’t take our word for it...
go see for yourself.

✨AI enhanced features ✨ More cactuses🌵

Check it out now! 🚀

phenolphthalein

Hear it
Hear it

Definition: Play

n.nbsp;organic compound used as a laboratory reagent and pH indicator.

Sentence: Play Play

As an indicator of acidnbsp;phenolphthaleinchanges in color such as purple when meeting a base.

Phenolphthalein rhymes:


Test drive some of our other games

Play now to sample our spelling, vocabulary and typing games.
Vocabulary Games (8 games)
Spelling Games (9 games)

Vocab Loco lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.

Sign up!

YEAH. Try it FREE!

Vocab Loco Consultant

Try our 14-day Free Trial to test drive
the Vocab Loco program.

Sign up for a 14-Day Free Trial Not now, thank you
Back to main site