Relating to or designed for extrusion; tending to push or force outward.
From extrude plus -ory, a Latin-derived suffix meaning 'relating to' or 'serving for,' as in 'sensory,' 'auditory,' 'laboratory.' This is a rare technical variant.
The -ory suffix is interesting because it often describes something that 'does' or 'relates to' an action—'extrusory machinery' means machinery designed for extrusion, and you see the same pattern in 'respiratory system' (relating to respiration) or 'excretory system' (relating to excretion).
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