| ̷ ̷ˌ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun
Etymology: indolebutyric from indole + butyric
: a crystalline acid (C 8 H 6 N)CH 2 CH 2 CH 2 COOH similar to indoleacetic acid in its effects on plants
| ̷ ̷ˌ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun
Etymology: indolebutyric from indole + butyric
: a crystalline acid (C 8 H 6 N)CH 2 CH 2 CH 2 COOH similar to indoleacetic acid in its effects on plants
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012