ps
abbreviation
• picosecond(s).
Ps.
abbreviation
• Psalm or Psalms.
PS
noun
• used to introduce an additional remark at the end of a letter, after the signature.
• "PS: please remember to come with your ID card"
Origin:
early 17th century: from the initial letters of Latin post scriptum .
PS
abbreviation
• Police Sergeant.
• private secretary.
• (in the theatre) prompt side.
P
noun
• the sixteenth letter of the alphabet.
picosecond
noun
• one trillionth of a second.
• "the first picosecond of the Big Bang"
