cutting edge, at the

at the cutting edge

At the forefront of technological developments or advancements. The new company I work for is at the cutting edge of medical science. I think some of their new instruments are going to revolutionize the field of medicine.
See also: cutting, edge

cutting edge, at the

Also, on the cutting edge. In the forefront, in a position of greatest advantage or importance. For example, In my youth I was at the cutting edge of medical research, or Our company is on the cutting edge of gene therapy. This metaphoric phrase alludes to the sharp edge of a knife or other cutting tool. [c. 1950]
See also: cutting