Definitions

1. verb

an archaic or obsolete term for a sudden exhalation of breath

“The knight let out a pht as he drew his sword in battle.”

2. interjection

an expression of surprise or sudden realization

“Pht! I just realized I left my keys at home!”

3. noun

a unit of measurement in chemistry, equivalent to a milliliter

“The chemist measured the substance in phts.”