extrusion

[ ik-stroo-zhuhn ]

noun

1. the act of extruding or the state of being extruded.
2. something that is extruded.

extrusion

/ ɪkˈstruːʒən /

noun

1. the act or process of extruding
2. 1. the movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock
   2. any igneous rock formed in this way
3. a component or length of material formed by the process of extruding

extrusion

/ ĭk-stro̅o̅′zhən /

1. The emission of lava onto the surface of the Earth.
2. ◆ Rocks that form from the cooling of lava are generally fine-grained (because they cool quickly, before large crystals can grow) and are called extrusive rocks.
3. Compare intrusion
4. The process of making a shaped object, such as a rod or tube, by forcing a material into a mold.

Derived Forms

• exˈtrusible, adjective

Word History and Origins

Origin of extrusion¹

1530–40; < Medieval Latin extrūsiōn- (stem of extrūsiō ), equivalent to Latin extrūs ( us ) (past participle of extrūdere to extrude ) + -iōn- -ion

Word History and Origins

Origin of extrusion¹

C16: from Medieval Latin extrūsiō, from extrūdere to extrude

Example Sentences

Dekker provided the first demonstration of this loop extrusion predicted by Mirny, collaborated on synthetic cells with Schwille, and developed new ways to use nanopores—holes or membranes of nanometer size—to sequence DNA and proteins.

From Science Magazine

Mirny predicted that DNA inside cells is folded up and organized by specialized proteins forming molecular motors, in a process called “loop extrusion.”

From Science Magazine

The researchers used a technique called adaptive laboratory evolution to create a strain that is resilient to extrusion temperatures.

From Science Daily

The answer to stopping asthma symptoms may lie in cell extrusion, a process the researchers discovered that drives most epithelial cell death.

From Science Daily

In previous studies, the scientists found that the chemical compound gadolinium can block extrusion.

From Science Daily

Related Words

• banishment
• discharge
• displacement
• ejection
• eviction
• exclusion
• ouster
• purge
• removal
• suspension