Did you by any chance mean interlock?
“I recently learned that Billy has been putting on a one-man science show, which includes laying down on a bed of nails and having someone break a cinderblock on his chest with a sledgehammer.”
“Admittedly, the sternum is a tough one, but if you can break a cinderblock with the heel of your hand, you can probably crack somebody's sternum, and if This Person were really so knowledgable about assassins and fighting, s/he would know that.”
“In the cinderblock hallway behind the stage there was a pay phone and a stack of milkcrates piled at the approximate height of a chair.”
“Is this the protection of civilians? said local resident Rajab Sharaf, standing outside the burning building as the cinderblock walls buckled outward from the heat.”
“Mustafah Abdulaziz for The Wall Street Journal The top floor of the two-story cinderblock building is devoted to packing and storage.”
“The top floor of the two-story cinderblock building off Connecticut's Route 8 is devoted to packing and storage.”
“It was pitch-black at the bottom of the stairway, but then the rabbi flipped the light switch and David saw a large room with cinderblock walls.”
“The air was warm and acrid and the cinderblock walls were caked with soot.”
“Ouattara forces inspect the papers of everyone who passes through a checkpoint in the Riviera neighborhood as young men build cinderblock barricades.”
“Love the juxtaposition of old warm luxury colored persian carpet/new industrial utilitarian cinderblock walls.”
Looking for tweets for cinderblock.