n.

1. 英语字母的第16字
   A letter "p" is missing in the word "stoping".

   “stoping”这个单词漏掉了字母“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.