Absolute Block

* 1A block in which no train is permitted to enter while it is occupied by another train (49CFR218)
English Related Words* a block of shares
* a chip of the old block
* a chip off the old block
* a mental block
* ablative absolute
* absolute
* absolute accommodation
* absolute address
* absolute adjustment
* absolute advantage
* absolute alcohol
* absolute altimeter
* absolute altitude
* absolute assignment
* absolute blocking