ph
B2 · Upper Int.★★★☆☆
Simple Meaning
a number that shows how acidic or basic a liquid is.
When to Use
📚Academic Writing⚙️Technical
Upper Intermediate — fluent in familiar topics
Examples in Conversation
“You should test the pH of the water before adding the fish.”
“The pH of lemon juice is very low, so it's quite acidic.”
Learning Path
▶Full Definition
In the way it sounds, particularly: written to describe the sound rather than the dictionary spelling.
“The hard words in the passage have been spelled phonetically.”
Related Words
Synonyms:
acidity levelalkalinity
Word Family:
pH levelpH scaleacidicbasic