The phrase "a major extension" is correct and usable in written English.
It can be used when referring to a significant increase or addition to something, such as a project, program, or concept.
Example: "The new software update includes a major extension of its existing features, enhancing user experience."
Alternatives: "a significant expansion" or "a substantial addition."
He acquiesced in a major extension of the Social Security system (an event surprisingly undiscussed).
We describe a major extension to the Contour-Advective Semi-Lagrangian (CASL) algorithm [D.G.
Even as they championed a major extension of Medicare coverage, Republicans found themselves on the defensive throughout the day.
In this post, she devised an ingenious plan to provide an existing building with a major extension.
During her time as news editor there was a major extension of investigative reporting at the newspaper.
Instead, Alward has made seven failed attempts to escape from jail, resulting in a major extension of his sentence.
Synthesis of PA trans-and cis-subunits is tightly related to PA polymerisation since intermediate substrates in the flavonoid pathway are assumed to take up a trans-configuration while major extension subunits assume a cis-configuration (e.g. -epicatechin) [ 68].
Along with discussing the potential benefits—such as making seed vaccines in a day and producing biofuels some debated whether Venter's part-artificial bacterium is a major advance or simply an extension of existing DNA technologies.
This is not just an updating of surveillance but a major peacetime extension of state power over individuals.
Lee is also seeking a major contract extension, which the Knicks are reluctant to offer because they want to be under the salary cap in 2010.
The Horn of Africa, a major peninsular extension of the African mainland into the Arabian Sea, contains the vast lowland coastal plains of Somalia.
