• IPA: [pʼa], [pʼaʰ]

1. Used to express distaste, disgust or outrage.
   • c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act IV, scene vi]:

     Fie! fie! fie! pah! pah! Give me an ounce of civet, good apothecary, to sweeten my imagination.

   • , The Spectre Bridegroom

     She was rarely suffered out of their sight; never went beyond the domains of the castle, unless well attended, or, rather, well watched; had continual lectures read to her about strict decorum and implicit obedience; and, as to the men—pah! she was taught to hold them at such distance and distrust that, unless properly authorized, she would not have cast a glance upon the handsomest cavalier in the world—no, not if he were even dying at her feet.

• See Thesaurus:yuck

• IPA: /pɑː/

pah (plural pahs)

1. Dated form of pa#English|pa (Maori fort).

pah (plural pahs)

1. (enzyme) Initialism of phenylalanine hydroxylase
2. (organic chemistry) Initialism of polycyclic aromatic hydrocarbon
3. (disease) Initialism of pulmonary arterial hypertension

• (phenylalanine hydroxylase) EC 1.14.16.1

• (polycyclic aromatic hydrocarbon) PANH

• French: HAP
• German: PAK
• Spanish: HAP