n.
Function: combining form
Etymology: Greek, from pan, neuter of pant-, pas all, every; akin to Tocharian B pont- all
1 : all : completely < pan chromatic>
2 a : involving all of a (specified) group or region < Pan- American> b : advocating or involving the union of a (specified) group < Pan- Slavism>
3 : whole : general < pan leukopenia>