n.

1. 英文字母表中的第16個字母
   A letter 'p' is missing in the word 'stoping.'

   "stoping"這個單字漏掉了字母"p"。

   The letter after o is p.

   字母o的後面是p。

abbrev.

1. page.
2. (p-) Chemistry  para-.
3. Brit. penny or pence.
4. Music  piano (softly).
5. pico- (10^-12).
6. Chemistry  denoting electrons and orbitals possessing one unit of angular momentum. [from principal, orig. applied to lines in atomic spectra.]

symb.

1. Physics  pressure.
2. Statistics  probability.