modeling
US /ˈmɑː.dəl.ɪŋ/
UK /ˈmɑː.dəl.ɪŋ/

1.
the activity or profession of working as a fashion model
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She started modeling when she was 16 years old.
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His dream is to pursue a career in modeling.
2.
the act or process of creating a physical or conceptual representation of an object or system
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Computer modeling is used to simulate complex systems.
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The architect presented a 3D modeling of the new building.
1.
present participle of model
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She is modeling a new dress for the fashion show.
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The artist is modeling the clay into a sculpture.