| 单词 | indolebutyric acid |
| 释义 | indolebutyric acid in British English (ˌɪndəʊlbjuːˈtɪrɪk) noun a synthetic auxin used for stimulating plant growth and root formation. Formula: C12H13NO2) indolebutyric acid in American English (ˈɪnˌdoʊbjuˈtɪrɪk) a plant hormone, C12H13NO2, that promotes the growth of roots indolebutyric acid in American English (ˈindoulbjuːˈtɪrɪk, ˌin-) noun Biochemistry a white or yellowish, crystalline, water-insoluble powder, C12H13O2N, a plant hormone similar to indoleacetic acid and used for the same purposes Word origin [1935–40; indole + butyric]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: bingo, blitz, roomette, unit trust, walk-through |
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