'Improver' definitions:
noun
Someone devoted to the promotion of human welfare and to social reforms [syn:
humanitarian,
do-gooder, improver]
noun
A component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor" [syn:
addition,
add-on, improver]
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Improver \Im*prov"er\, n.
One who, or that which, improves.
[1913 Webster]
Words containing 'Improver'
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Improvability,
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Improvable,
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Improvably,
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Improve,
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Improved,
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Improvement,
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Improving,
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Improvingly,
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To improve on,
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improvize,
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Improving lease,
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To improve upon,
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self-improvement,
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royal society of london for improving natural knowledge