2 Old HSK word(s): ☊酸 ** A ☊硫酸 ** D
寒酸* * 尖酸* * 柠檬酸* * 穷酸* * 脱氧核糖核酸* * 胃酸* * 辛酸* * 心酸* * 腰酸* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

腰 waist / kidney
酸 tart, sour / acid / stiff / spoiled

Hsk Characters: 酸 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
酸 9178 + 酸 + + tart, sour / acid / stiff / spoiled 酉 俊 Wine Jug 俊 (OBS_SICH_LANGSAM_BEWEGEN) suan1 +

Korean:

酸 + 酸 초 산 (식초: vinegar)
1 NHSK word(s): 酸* 4 suan1sour/ sore/ ache/ acid
KOREAN6000 word(s):
1 KOREAN 2500 New HSK words):
酸 + suān (맛•냄새 등이) 시큼하다. 시다. (mas•naemsae deung-i) sikeumhada. sida.
2 KOREAN Sentence(s):
请再来一个酸奶。 + 요플레 하나 더 주세요. yopeu-lle hana deo juseyo.
您也喜欢吃酸菜吗? + 당신도 양배추 절임을 즐겨 먹어요? tangshindo yangbaechu jeo-rimeul jeul-kyeo meo-geoyo?