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time ball

Noun CEFR B2

Definitions

A large wooden or metal ball that drops at a predetermined time to enable sailors to check their marine chronometers from their boats offshore.

Equivalents

Suomiaikapallo

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

time bandit time bank time banking time bargain time barrier time before time

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