spike

US /spaɪk/

UK /spaɪk/

B2
n.NounThe top point in a graph
This is the highest spike in prices in the last year
v.i.Intransitive VerbTo go up to a point on a graph
The number of cars on the street spike in the spring
n.NounLong, thin metal rod that ends in a point
I will put this spike in the tree and climb up it

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