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 |