absolute block
 

* 1.A 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