Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pa

5 senses of pa

Sense 1
dad, dada, daddy, pa, papa, pappa, pop -- (an informal term for a father; probably derived from baby talk)
       => father, male parent, begetter -- (a male parent (also used as a term of address to your father); "his father was born in Atlanta")

Sense 2
protactinium, protoactinium, Pa, atomic number 91 -- (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Sense 3
pascal, Pa -- (a unit of pressure equal to one newton per square meter)
       => pressure unit -- (a unit measuring force per unit area)

Sense 4
Pennsylvania, Keystone State, PA -- (a Mid-Atlantic state; one of the original 13 colonies)
       INSTANCE OF=> American state -- (one of the 50 states of the United States)

Sense 5
public address system, P.A. system, PA system, P.A., PA -- (an electronic amplification system used as a communication system in public areas)
       => communication system -- (a system for communicating)