Definition of backbone
2 : something that resembles a backbone: such asa : a chief mountain ridge, range, or systemb : the foundation or most substantial or sturdiest part of somethingc : the longest chain of atoms or groups of atoms in a usually long molecule (such as a polymer or protein)d : the primary high-speed hardware and transmission lines of a telecommunications network (such as the Internet)
3 : firm and resolute character
4 : spine 1c
backbonedplay \-ˌbōnd\ adjective
Examples of backbone in a Sentence
She is the backbone of the family.
He showed some backbone by refusing to compromise his values.
Recent Examples of backbone from the Web
Lincoln Avenue is a gem: the commercial and social backbone of the town.
Mayor Darrell Steinberg on Thursday will announce a plan in which the city would give Verizon fast permitting and access to city pipes for cable in exchange for a next-generation internet backbone and amenities such as free wifi at 27 parks.
The service’s former backbone — peer-to-peer connections that linked a caller to their target through a direct line — is being replaced in the update by Microsoft’s network of data centers.
Many experts, for instance, believe that Gnosis’s use of the blockchain to aggregate data could become a widespread backbone technology for managing complex systems from traffic to financial markets.
That has kind of been our backbone all year and our bread and butter.
The backbone of the Dodgers, a team that has now won 10 of its last 12, is not a lineup teeming with sluggers.
The IPA has a healthy dose of hops while the Alt has a great malt backbone without sweetness.
The U.S. military has become the logistical backbone of a massive relief operation.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'backbone'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of backbone
BACKBONE Defined for English Language Learners
Definition of backbone for English Language Learners
: the row of connected bones that go down the middle of the back and protect the spinal cord
: the most important or strongest part of something
: strength and courage
BACKBONE Defined for Kids
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