Meanings

principle of contradiction

principle of sufficient reason

to go back to the starting point

sociolect used by prostitutes in the Yoshiwara red light district during the Edo period

prokaryote

Battle of Sekigahara (1600)

prosimian

oogonium

spermatogonium

initial cell

blastopore

protochordate

principal raw material

our lady's bedstraw (Galium verum)

they

primary biliary cirrhosis

Nirvana principle

Three Principles on arms exports

motorcycle less than or equal to 125cc

motorcycle, less than or equal to 50cc