Definitions

1. noun

The 15th letter of the Greek alphabet, representing the sound of /p/.

“The Greek inscription included the letter ph to represent the name of the city.”

2. prefix

Used in chemical terms to represent hydrogen or a group in a molecule.

“The compound’s molecular formula included a ph group.”

3. prefix

Used in various terms to represent something related to sound or voice.

“The ph effect of the audio equipment was impressive.”

4. suffix

Used in various words to form a word related to sound or voice.

“The ph sound of the music was soothing.”