re-entrant

British  

/ riːˈɛntrənt /

adjective

1. (of an angle, esp in fortifications) pointing inwards Compare salient

2. maths (of an angle in a polygon) greater than 180° and thus pointing inwards

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noun

1. an angle or part that points inwards

Example Sentences

When heart rhythm abnormality occurs in a self-sustained manner, it is called re-entrant arrhythmia, which is usually fatal.

From Science Daily

For Chalmers, the easy part of consciousness entails mapping exactly what the brain is doing, whether it is oscillations in the cerebral cortex or re-entrant loops in the thalamocortical system.

From The Guardian

DHS said 92% of people Ice arrested from the inauguration through September “had a criminal conviction or a pending criminal charge, were an Ice fugitive or were an illegal re-entrant”.

From The Guardian

Such a ring made to pass the re-entrant corner of a wall—the edge of a window recess, for example—will appear to be attracted.

From Project Gutenberg

Between them the face of the precipice was folded back in two re-entrant angles.

From Project Gutenberg