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growth substance
noun
botany any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It is a growth substance generated in the head which reaches the tissues through the skin.
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The use of growth substance powder did not significantly increase the "take".
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HALLIBURTON, W. D., AND DRUMMOND, J. C.: The nutrition value of margarines and butter substitutes with reference to their content of the fat soluble accessory growth substance.
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