An initialism with several technical meanings, especially life cycle assessment, left coronary artery, lowest common ancestor, latent class analysis, and Leber congenital amaurosis.
Researchers used LCA to group patients by symptoms.
The family met with a counselor after the LCA diagnosis.
Binary lifting can answer LCA queries quickly.
In this tree, node 3 is the LCA of nodes 5 and 6.
A taxonomy browser may use LCA logic to group related items.
Similar words
finite mixture modeling
left coronary artery
latent class analysis
Leber congenital amaurosis
latent class modeling
left coronary
congenital retinal blindness
least common ancestor
Leber's congenital amaurosis
left main stem
Meanings
Life cycle assessment
environment
technical
Life cycle assessment, a method for measuring the environmental impacts of a product, process, or service across stages such as raw materials, production, use, and disposal.
Examples
The team ran an LCA before changing the packaging.
A good LCA includes the product's use phase.
The LCA showed that transport caused little of the total impact.
ISO 14040 describes the framework for an LCA.
The consultant compared three materials in the LCA.
Similar words
life cycle assessment
life cycle analysis
cradle-to-grave analysis
environmental assessment
impact assessment
Left coronary artery
medical
technical
Left coronary artery, the coronary artery that arises from the aorta and supplies blood to the left side of the heart before branching into major vessels.
Examples
The angiogram showed narrowing in the LCA.
A stent was placed near the origin of the LCA.
The LCA divides into the LAD and circumflex arteries.
Surgeons reviewed the LCA anatomy before the procedure.
Reduced flow in the LCA can threaten the left ventricle.
Similar words
left coronary artery
left main coronary artery
left main artery
left coronary
left main stem
Lowest common ancestor
computing
technical
Lowest common ancestor, the deepest shared ancestor of two nodes in a tree or similar hierarchy.
Examples
The algorithm finds the LCA of two nodes in a tree.
Binary lifting can answer LCA queries quickly.
In this tree, node 3 is the LCA of nodes 5 and 6.
The LCA helps compute distances between tree nodes.
A taxonomy browser may use LCA logic to group related items.
Similar words
lowest common ancestor
least common ancestor
nearest common ancestor
deepest shared ancestor
tree ancestor query
Latent class analysis
statistics
technical
Latent class analysis, a statistical method for finding hidden groups in categorical data from patterns in observed responses.
Examples
The survey data were examined with LCA.
An LCA identified four response patterns.
The model fit supported a three-class LCA solution.
Researchers used LCA to group patients by symptoms.
The LCA treated class membership as unobserved.
Similar words
latent class analysis
latent class modeling
finite mixture modeling
categorical mixture modeling
class enumeration
Leber congenital amaurosis
medical
technical
Leber congenital amaurosis, a rare inherited retinal disease that causes severe vision loss from birth or early infancy.
Examples
Genetic testing confirmed LCA in the infant.
Children with LCA often show severe early vision loss.
The clinic studies inherited retinal diseases such as LCA.
Some forms of LCA are linked to RPE65 mutations.
The family met with a counselor after the LCA diagnosis.
Similar words
Leber congenital amaurosis
Leber's congenital amaurosis
congenital retinal blindness
inherited retinal dystrophy
early-onset retinal dystrophy
Etymology
An initialism formed separately from the first letters of several multi-word terms. Each expansion belongs to its own technical field rather than to one shared origin.
FAQ
What does LCA stand for?
LCA can stand for life cycle assessment, left coronary artery, lowest common ancestor, latent class analysis, or Leber congenital amaurosis, depending on context.
How is LCA pronounced?
LCA is pronounced letter by letter as /ˌɛl siː ˈeɪ/.
What does LCA mean in sustainability?
In sustainability, LCA means life cycle assessment, a method for assessing environmental impacts across a product or service life cycle.
What does LCA mean in medicine?
In cardiology, LCA often means left coronary artery. In ophthalmology and genetics, it can mean Leber congenital amaurosis.
What does LCA mean in computer science?
In computer science, LCA means lowest common ancestor, the deepest shared ancestor of two nodes in a tree or hierarchy.
What does LCA mean in statistics?
In statistics, LCA means latent class analysis, a method for finding hidden groups in categorical data.
Should LCA be defined on first use?
Yes. LCA has several common technical meanings, so the full phrase should appear first unless the context is already clear.
Comments & contributions
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