Chinese

edit
square; quadrilateral; place
square; quadrilateral; place; region; direction; side; method; way; prescription; power; upright; just
 
sour; sore; ache
sour; sore; ache; acid
 
trad. (方酸)
simp. #(方酸)
 
Wikipedia has an article on:

Pronunciation

edit

Noun

edit

方酸

  1. (organic chemistry) squaric acid