What does "absolute time" mean?

The Newtonian concept of an unchanging and unchangeable reference system of time (and spatial) coordinates that is the same for all observers.

How do you pronounce "absolute time"?

Pronounced //ˈæb.səˌlut taɪm//.

/ˈæb.səˌlut taɪm/ noun

noun ·Rare ·Advanced level

Noun

1
The Newtonian concept of an unchanging and unchangeable reference system of time (and spatial) coordinates that is the same for all observers. uncountable