extrusion
/ɪkˈstruːʒn/noun
उच्चारण इक्स्ट्रूज़न
बहिर्वेधन, बाहर निकालना
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[U, C] technical
the act of forcing something out through a small opening; (in geology) the flow of lava onto the earth's surface
बहिर्वेधन, बाहर निकालना
- the extrusion of lava
- The extrusion of hot magma through cracks in the crust formed a new layer of rock.
- The extrusion of lava from the volcano lasted for days.
+ 2 more examples
- Plastic pipes are made by the extrusion of hot material through a die.
- Rocks formed by extrusion cool quickly on the surface.
Synonyms ejection expulsion emission
Opposite intrusion
◇Word family
?Which word?
Keep the push-out words together: extrude, eject, expel, emit, exude (slowly give out a liquid or smell).
बाहर निकालने के शब्द साथ याद रखिए: extrude, eject, expel, emit, exude (धीरे-धीरे तरल या गंध छोड़ना)।
✓In the exam
General knowledge
Geography: extrusive (volcanic) rocks such as basalt form when lava cools on the surface; intrusive rocks such as granite form when magma cools inside the earth; the Deccan Traps were formed by basalt lava flows.
भूगोल में extrusive (ज्वालामुखीय) चट्टानें जैसे basalt सतह पर लावा ठंडा होने से बनती हैं; intrusive चट्टानें जैसे granite पृथ्वी के भीतर magma ठंडा होने से बनती हैं; दक्कन ट्रैप basalt लावा प्रवाह से बने।