| 释义 | 
		indoleacetic acid \| ̷ ̷ˌ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷-\ noun Etymology: indoleacetic from indole + acetic  : a crystalline plant hormone (C8H6N)CH2COOH present in urine, made synthetically, and used to promote growth and rooting of plants — called also beta-indolylacetic acid, 3-indoleacetic acid, heteroauxin; see auxin |