'💐 Cutting edge' 💐
👉As a noun a ‘cutting edge’ refers to the sharp edge of a blade that is used to cut objects.
'Be careful with the knife, the cutting edge is very sharp.'
As an adjective 'cutting edge’ refers to something that is the newest, most advanced of its kind.
'This new invention is cutting edge technology.'
To be 'at the cutting edge' means to be at the forefront, where new developments are taking place.
'The research comes from a company at the cutting edge of space science.'
Although mostly used to refer to new science or technology, we sometimes use 'cutting' edge to refer to other fields.
'His designs were always at the cutting edge of fashion.'
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