— chronogrammatic /kron'oh greuh mat"ik/ , chronogrammatical , adj. — chronogrammatically , adv. — chronogrammatist , n.
/kron"euh gram'/ , n.
1. an inscription in which certain Roman numeral letters express a date or epoch on being added together by their values.
2. a record made by a chronograph.
[ 1615-25; CHRONO- + -GRAM 1 ]