1(especially of materials) not rigid.
- ‘The cruciate ligaments are able to pivot where they are attached to the bones because they are made of a non-rigid material.’
- ‘As a result, 30% of paratroops and 590 non-rigid containers, which had been assigned to be dropped on the first night, remained stranded on airfields.’
- ‘A likely cause may be the nonrigid connections between filaments and levers.’
- ‘She often worked with non-rigid materials such as this, and in 1964 she initiated ‘vestiary’ sculpture, designed to be worn by the spectator.’
- ‘Their nonrigid skeleton has led to rare occurrence and poor preservation.’
- 1.1 Denoting an airship whose shape is maintained solely by the pressure of the gas inside.
- ‘The Navy had purchased five nonrigid airships from Goodyear in 1954 for the airborne early warning mission.’
We take a look at several popular, though confusing, punctuation marks.