名詞 extrusion:

1. something that bulges out or is protuberant or projects from its surroundings
   同義詞：bulge, bump, hump, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, excrescence
2. squeezing out by applying pressure
   同義詞：expulsion

ex.tru.sion

n.（名詞）
The act or process of pushing or thrusting out.
推，擲：推出或擲出的行為或過程
The act or process of shaping by forcing through a die.
擠壓：用一模子擠壓的行為或過程
An object or material produced by extruding.
壓出品：經(jīng)過擠壓而產(chǎn)生的物體或材料

來源：
Medieval Latin extrôsiô extrôsiôn-
中世紀(jì)拉丁語 extrôsiô extrôsiôn-
from Latin extrôsus [past participle of] extrôdere [to thrust out] * see extrude
源自 拉丁語 extrôsus [] extrôdere的過去分詞 [推出，擲出] *參見 extrude