0 the most important member of a group or part of a system, that holds together the other members or parts or makes it possible for them to operate as intended: --
1 a person or thing that is the most important part of a group or system’s operation: --
The city’s River Park is the linchpin of its efforts to sell itself as a vacation destination.
2 the most important member of a group or part of a system, that holds together the other members or parts or makes it possible for them to operate as intended: --
He is of the view that they possess the needed human and financial resources to subject public policies to strict and rigorous analysis, and therefore act as linchpins in policymaking.
The linchpin of contemporary demographic models for so-called developing countries is the assumption that the single most important variable in decreasing fertility rates is increased formal education for women.
Linchpin monarchies-generally lacking such significant rents-rely on a wider social base of support.
Yet, the true concern of patients and doctors appears to be their relationship; and the strength of that relationship appears to be the linchpin of quality care.
Despite this limited multilateral co-operation, the linchpins of national aviation policy - market and industry regulation, aid, traffic rights, and international market access - were jealously guarded by all governments.
One would expect that linchpin monarchies, with their broad-based regime coalitions, would be more likely candidates for regime splits.
It was a linchpin in his political and social theory.
The claim that religiously grounded moral truths are likely to be corroborable by secular grounds is the linchpin of the theistic case for restraint.