英英字典： P.A.
Overview of noun p.a.
The noun p.a. has 1 sense
The noun pa has 4 senses
- dad, dada, daddy, pa, papa, pappa, pop -- (an informal term for a father; probably derived from baby talk)
- protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
- pascal, Pa -- (a unit of pressure equal to one newton per square meter)
- Pennsylvania, Keystone State, PA -- (a Mid-Atlantic state; one of the original 13 colonies)
Overview of adv p.a.
The adv p.a. has 1 sense
- per annum, p.a., per year, each year, annually -- (by the year; every year (usually with reference to a sum of money paid or received); "he earned $100,000 per annum"; "we issue six volumes per annum")
(TTS Sound)
