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Extrusion Definition, Usage & Key Differences (2 meaning)

Meaning 1：manufacturing process (extrusion)

extrusion 🔊

/ɪkˈstruːʒn/

A manufacturing process where material is forced through a shaped hole (a die) to create long objects with a fixed cross-section, like squeezing playdough through a toy.

manufacturing process 🔊

➕

/ˌmænjʊˈfækʧərɪŋ ˈprəʊsɛs/

A technique where material is forced through a die to produce objects with a fixed cross-section.

📁 Category：Technological Inventions 🔖 Level：中级

📘 Details & Usage

📖 Root Explanation

From Latin 'extrudere': ex- (out) + trudere (to thrust).

💡 Mnemonic

Think of EXtrusion as EXpelling material through a TRusion (tube) to shape it.

📖 Example

This factory uses extrusion to produce the aluminum frames for our windows. 🔊 This factory employs extrusion to manufacture aluminum window frames.

🔗 Collocations

plastic extrusion – the extrusion process using plastic materials

extrusion machine – equipment designed for extrusion

aluminum extrusion – extrusion applied to aluminum

🔄 Synonyms

pressing (n.) – shaping by applying pressure

molding (n.) – forming material in a mold

forming (n.) – the act of shaping material

🌱 Derivatives

extrude (v.) – to force out through a die

📖 Cultural Story

Extrusion originates from Latin 'extrudere', meaning 'to thrust out'. It is commonly used in engineering and manufacturing for processes like plastic extrusion to produce continuous profiles.

Meaning 2：social exclusion (extrusion)

extrusion 🔊

/ɪkˈstruːʒn/

The feeling or act of being forced or pushed out from a group or place, making you feel unwelcome or excluded.

Social extrusion scene depicting person excluded from office group discussion.

social exclusion 🔊

➕

/ˈsoʊʃəl ɪkˈskluːʒən/

The feeling or act of being forcibly removed or marginalized from a group.

📁 Category：Behaviors & Actions 🔖 Level：中级

📘 Details & Usage

📖 Example

After the argument, she felt a sense of extrusion from the project team. 🔊 After the disagreement, she experienced a feeling of extrusion from the project team.

🔗 Collocations

feel extrusion – to experience the sensation of being pushed out

social extrusion – exclusion from social contexts

🔄 Synonyms

exclusion (n.) – the state of being excluded

ostracism (n.) – exclusion from a group by general consent

marginalization (n.) – treatment as peripheral or unimportant

🚫 Antonyms

inclusion (n.) – the action of including or being included

🌱 Derivatives

extrude (v.) – to force out or expel