What is to be extended, or to bear extension, without breaking, as elastic or ductile substances. The inner membrane . . . because it would stretch and yield, remained umbroken. Boyle called?

stretch — To be extended, or to bear extension, without breaking, as elastic or ductile substances. The inner membrane . . . because it would stretch and yield, remained umbroken. Boyle. (Webster's 1913.)

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