Pa

Pa

1. (chemistry) Chemical symbol for protactinium.
2. (metrology) pascal, a unit of pressure and of stress.

• IPA^(key): /pɑː/

• Audio (Southern England):

  (file)

• Rhymes: -ɑː

Pa (uncountable)

1. (informal, in direct address) Father, dad, papa.

   Synonyms: pa; dad, daddy, papa, pater, (Irish) da; see also Thesaurus:father

   Coordinate terms: Ma, ma

   Hey, Pa, I'd like you to meet my friend.

2. A short form of grandpa; grandfather.

   Synonyms: pa; grandpa, grandpappy; see also Thesaurus:grandfather

• Often capitalized when used to refer to a specific person.

• A&P, AP, Ap, ap, ap.