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a cutting edge
An advantage due to superior skill, ability, or resources. You may not be the fastest, but you have a cutting edge—your stamina.
1. noun 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.
2. adjective Technologically advanced. When used as an adjective, the phrase is usually hyphenated. With their cutting-edge instruments, I really think this company is going to revolutionize the field of medicine.
Fig. the most forward part of a trend; the leading part of a trend. (Alludes to the edge of a sword. See also on the cutting edge. See also on the bleeding edge.) Fred's invention put him on the cutting edge of the computer chip business.