| a stew of meat, vegetables, potatoes, etc. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| cytokinin (sī'tə-kī'nĭn) Pronunciation Key
Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves. Cytokinins are synthesized mainly in root tips. |
cytokinin
any of a number of plant growth substances that are usually derived from adenine. Synthesized in roots, cytokinins move upward in the xylem (woody tissue) and pass into the leaves and fruits, where they are required for normal growth, for cell differentiation, and, in conjunction with auxin (another plant hormone), to promote cell division.
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