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English to English noun
| 1 |
activity involved in maintaining something in good working order |  | Example: he wrote the manual on car care
source: wordnet30
| 2 |
the act of sustaining life by food or providing a means of subsistence | | Example: they were in want of sustenance
fishing was their main sustainment
source: wordnet30
| 3 |
The act of keeping up, or maintaining; maintenance. | | source: webster1913
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