The phrase "a significant supply" is correct and usable in written English.
It can be used when discussing the quantity or availability of resources, goods, or materials that are considerable or noteworthy.
Example: "The company has ensured a significant supply of raw materials to meet the increasing demand for their products."
Alternatives: "a substantial amount" or "a considerable supply".
For most countries, a reserve of this size would represent a significant supply.
The rest of the world will not stand by and let the US seize Iraq's oilfields (and thus control a significant supply of the world's oil).
Think about it: If there were no poaching whatsoever, there'd still be a significant supply of ivory from elephants that die from natural mortality.
And despite some signs of wage pressure in a few cities, there is still a significant supply of underemployed labor around the country.
But we continue to monitor the market and are prepared to act if there is a significant supply disruption, or an imminent threat thereof.
For instance, the UN began referring to rebel-held eastern Aleppo as besieged in the past few weeks – three months after the area last received a significant supply of humanitarian aid.
Right now, there is a significant supply-side problem: PhD programs for future faculty rarely focus on Sales, and academic promotion increasingly relies on big data-set research within a discipline, not the interplay of economics, psychology, and dyadic behaviors that are at the heart of most sales tasks.
Prior to the initiative, they said, India faced a significant uranium supply constraint that forced it to choose literally between nuclear weapons or nuclear power.
Analysis of aerial imagery and ground-survey data demonstrate that the channel has been more dynamic in the downstream 4 km where a local source contributes a significant annual supply of bed material.
Some restraint is needed when creating this new plane as the overlying skin receives a significant blood supply through fascia-perforating vessels which are inevitably divided.
For example, as Lars Christensen of Danske Bank explains, the failure of Nokia constitutes a significant local supply shock in Finland, and Euro membership means the Finnish central bank is powerless to do anything to offset it.
