CHRONOGRAPH
Meaning of CHRONOGRAPH in English
chron ‧ o ‧ graph /ˈkrɒnəɡrɑːf $ ˈkrɑːnəɡræf/ BrE AmE noun [countable]
a scientific instrument for measuring periods of time
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012