Englishfor English speakers
retentivity
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noun
(= retentiveness)
the property of retaining possessions that have been acquired
—
noun
the power of retaining liquid
moisture retentivity of soil
—
noun
(= memory)
the power of retaining and recalling past experience
he had a good memory when he was younger
difference
Noun
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The quality of being different.
You need to learn to accept differences in people.
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A characteristic of something that makes it different from something else.
There are three differences between these two pictures.
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A disagreement or argument.
The people had to settle their differences before they could work together.