The phrase "a major technological breakthrough" is correct and usable in written English.
You can use it when discussing significant advancements or innovations in technology that have a substantial impact.
Example: "The development of quantum computing represents a major technological breakthrough that could revolutionize various industries."
Alternatives: "a significant technological advancement" or "a substantial technological innovation."
Ford would like us to see the EcoBoost as a major technological breakthrough.
For now, it notes, "pending a major technological breakthrough," 3D movie files are too large to download or stream.
"To raise fifty million," he said — slash, two-handed swipe — "you either need a major technological breakthrough or a large customer ready to go".
Even in a fast-moving industry such as computing, it can sometimes take 25 years before a major technological breakthrough starts to show results in terms of products, services and major industrial disruption.
"To raise fifty million," he said slash, two-handed swipe you either need a major technological breakthrough or a large customer ready to go". He parried invisible strokes, advancing inexorably.
Cars and trucks run on gasoline and, barring a major technological breakthrough, will continue to do so no matter how much solar, wind or wave we can tap.
Something that's been a dirty word in Washington the last generation or two: industrial policy (that is, an active government role in the development of certain industries)...If...the government were to place some massive bets on R&D, we might substantially increase our chances of stumbling onto a major technological breakthrough-or at least accelerate the process.
While the government insists that aviation should pay for its environmental costs, it also knows that there is no prospect of any major technological breakthrough that will significantly reduce aircraft emissions.
For electric cars, there is still no major technological breakthrough for the rapid recharging of a large capacity battery and detection of remaining power in it.
None of this has changed my long-standing skepticism that, without some major technological breakthrough (safer nuclear power?), it will be exceedingly hard to halt the increase in atmospheric concentrations of greenhouse gases.
Implied links, also called "brand mentions" or simply "mentions," are becoming relevant to brand authority in new ways, calling the entire link building system into question and demonstrating another major technological breakthrough in the sophistication of Google's measurement of authority.
