Antonym: intrusion. Similar words: extrusive, intrusion, protrusion, extraversion, extroversion, extrude, intrusive, obtrusive. Meaning: [-uːʒn] 
n. 1. something that bulges out or is protuberant or projects from its surroundings 2. squeezing out by applying pressure.
n. 1. something that bulges out or is protuberant or projects from its surroundings 2. squeezing out by applying pressure. 121. Abstract: There are lots of advantages by cold extrusion for straight knurlnut in a single process.
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More similar words: extrusive, intrusion, protrusion, extraversion, extroversion, extrude, intrusive, obtrusive, protrusive, unobtrusive, unobtrusively, business trust, extraction, extrication, extradition, extrapolation, fusion, elusion, allusion, effusion, delusion, infusion, illusion, inclusion, extension, diffusion, reclusion, collusion, seclusion, profusion.