Synonyms for Millisecond:

n.

hr, nanosecond, half-hour, S, min, M. millisecond (noun)
msec.
point of time (noun)
day, millennium, hour, era, year, century, term, microsecond, month, lifetime, week, semester, decade, epoch, generation, time, age, second, minute.
split second (noun)
nanosecond, microsecond.
time (noun)
msec.

Other synonyms:

nanosecond. min, half-hour. hr. S. M. Other relevant words:
hr, M, nanosecond, msec, min.