solvent
US /ˈsɑːl.vənt/
UK /ˈsɑːl.vənt/

1.
having assets in excess of liabilities; able to pay one's debts
:
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The company remained solvent despite the economic downturn.
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It's important for individuals to be financially solvent.
1.
a liquid that dissolves other substances
:
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Water is a common solvent for many substances.
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This paint thinner acts as a powerful solvent.