Sentence examples for it is a rigid from inspiring English sources

So, 'Aristotle' designates the same man in these various counterfactual circumstances; it is a rigid designator.

It is a rigid porous material with a mutually interconnected or isolated network structure.

As for an embedded thin surface, it is a rigid thin surface sandwiched between two bulk-reacting linings.

It is a rigid cell-free implant consisting of two layers: a bone phase made of calcium carbonate in the aragonite crystalline form, and a superficial cartilage phase composed of modified aragonite and hyaluronic acid (Figure 3; Table 1).

A view I hear repeatedly from homeless veterans about our society is that it is a rigid place often defined by haste, dysthymia and disgust.

(If it is a rigid liner, just place it in the excavated area).

"It's a rigid code of segregation along ethnic and racial lines.

It's a rigid mouthpiece that stretches the lips wide, exposing the wearer's teeth and gums.

"Starting today," Mayor Michael R. Bloomberg said at a news conference in City Hall Park, "if it's a rigid plastic -– any rigid plastic -– recycle it".

"It was a rigid hierarchy, and it documents the burning of villages, the killings of civilians and of their animals, and the bombing of civilian refugees".

"A stereotype of manualized treatment is: you go buy a book and it's a rigid, lock step thing," he said.