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English definition of “surface”

surface

noun
 
 
/ˈsɜːfɪs/
TOP [C] B2 the top or outside part of something: the Earth's surface The sun was reflected on the surface of the water.Surfaces of objectsEdges and extremities of objects
APPEARANCE [no plural] B2 what someone or something seems to be like when you do not know much about them: On the surface he seemed very pleasant. → See also work surfaceSeeming and purporting to beFaking and pretending
(Definition of surface noun from the Cambridge Learners Dictionary © Cambridge University Press)
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