middle, medium / average; neither good nor poor / during; being in the process of doing / second volume of a three volume set

being in the process of doing

a surname / a female given name / a surname

(mahjong) red dragon (tile)

China or Chinese; Sino- (prefix)

(algebra) constant term

listing (e.g. an entry), including (e.g. an entry)

list (e.g. an entry), include (e.g. an entry)

core of the issue / this article

(mathematics) formula