rupture : Idioms & Phrases
Modulus of rupture
- the measure of the force necessary to break a given substance across, as a beam, expressed by eighteen times the load which is required to break a bar of one inch square, supported flatwise at two points one foot apart, and loaded in the middle between the points of support. Rankine.
Webster 1913
ruptured intervertebral disc
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noun a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region
herniated disc; slipped disc.