coinsurance

[ koh-in-shoor-uhns, -shur- ]

noun
  1. insurance underwritten jointly with another or others.

  2. a form of property insurance in which an insurer assumes liability only for that proportion of a loss which the amount of insurance bears to a specified percentage of the value of the property.

    • a form of health insurance in which the insured party contributes a specified percentage of the total cost of medical expenses after a deductible has been reached.

    • the percentage contributed by the insured party: My coinsurance is 20%. : Compare copay.

Origin of coinsurance

1
First recorded in 1885–90; co- + insurance

Words Nearby coinsurance

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use coinsurance in a sentence

British Dictionary definitions for coinsurance

coinsurance

/ (ˌkəʊɪnˈʃʊərəns, -ˈʃɔː-) /


noun
  1. a method of insurance by which property is insured for a certain percentage of its value by a commercial insurance policy while the owner assumes liability for the remainder

  2. joint insurance held by two or more persons

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