blue hole
originally Jamaican
noun
A deep pool in which the water often appears blue; (in later use) specifically a deep water-filled cylindrical hollow or cave in limestone, typically in a coastal area of the tropics.
Origin
Mid 19th century.
- accroach
- accroaching
- accroachment
- accrual
- accrual accounting
- accrual basis
- accruals accounting
- accruals basis
- accrue
- accruement
- accruer
- accrument
- accrust
- acct.
- accultural
- acculturalization
- acculturate
- acculturation
- acculturational
- acculturative
- acculture
- accultured
- acculturise
- acculturised
- acculturize