Dictionary

self–sustaining

adjective self–sus·tain·ing \-sə-ˈstā-niŋ\

Definition of SELF-SUSTAINING

1
:  maintaining or able to maintain oneself or itself by independent effort <a self–sustaining community>
2
:  maintaining or able to maintain itself once commenced <a self–sustaining nuclear reaction>

First Known Use of SELF-SUSTAINING

1799

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