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EXPANSION
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I. (noun)
Sense 1
Meaning:
The act of increasing (something) in size or volume or quantity or scope
Synonyms:
enlargement; expansion
Classified under:
Nouns denoting acts or actions
Hypernyms ("expansion" is a kind of...):
increase; step-up (the act of increasing something)
Hyponyms (each of the following is a kind of "expansion"):
dilatation; dilation (the act of expanding an aperture)
distension; distention (the act of expanding by pressure from within)
stretching (act of expanding by lengthening or widening)
inflation (the act of filling something with air)
magnification (the act of expanding something in apparent size)
extension (act of expanding in scope; making more widely available)
Antonym:
contraction (the act of decreasing (something) in size or volume or quantity or scope)
Sense 2
Meaning:
Adding information or detail
Synonyms:
expanding upon; expansion
Classified under:
Nouns denoting acts or actions
Hypernyms ("expansion" is a kind of...):
increase; step-up (the act of increasing something)
Hyponyms (each of the following is a kind of "expansion"):
amplification; elaboration (addition of extra material or illustration or clarifying detail)
annotating; annotation (the act of adding notes)
subjoining; subjunction; supplementation (the act of supplementing)
Derivation:
expand (add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing)
Sense 3
Meaning:
A discussion that provides additional information
Synonyms:
elaboration; enlargement; expansion
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("expansion" is a kind of...):
discourse; discussion; treatment (an extended communication (often interactive) dealing with some particular topic)
Hyponyms (each of the following is a kind of "expansion"):
expatiation (a discussion (spoken or written) that enlarges on a topic or theme at length or in detail)
embellishment; embroidery (elaboration of an interpretation by the use of decorative (sometimes fictitious) detail)
Derivation:
expand (add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing)
Sense 4
Meaning:
A function expressed as a sum or product of terms
Example:
the expansion of (a+b)^2 is a^2 + 2ab + b^2
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("expansion" is a kind of...):
function; map; mapping; mathematical function; single-valued function ((mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function))
Domain category:
math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)
Context examples:
This agent stimulates proliferation of immature hematopoietic cells and allows the stimulation and expansion of multi-lineage hematopoiesis from immature bone marrow progenitor cells.
(Milodistim, NCI Thesaurus)
All commercial resource extraction activities, including commercial fishing and any future mineral extraction, are prohibited in the expansion area, as they are within the boundaries of the existing monument.
(National monument in Hawaii becomes world's largest marine protected area, NOAA)
Seasonal changes in hydration of salt-containing grains might result in some trigger mechanism for RSL grainflows, such as expansion, contraction, or release of some water.
(Recurring Martian Streaks: Flowing Sand, Not Water?, NASA)
A monoclonal expansion of B-lymphocytes with or without the characteristic immunophenotype of chronic lymphocytic leukemia.
(monoclonal B-cell lymphocytosis, NCI Thesaurus)
The initial chronic phase of CML (CML-CP) is characterized by a massive expansion of the granulocytic-cell series.
(Chronic Myeloid Leukemia Pathway, NCI Thesaurus/KEGG)
The expansion of a cell line in multiple vessels followed by the harvesting and pooling of the expanded culture into one vessel for holding or storage.
(Cell Culture Pooling, NCI Thesaurus)
What scientists have commonly assumed, Riebe says, is that expansion of rocks is not very important.
(Study explores how rock expands near soil surface in Sierra Nevada, National Science Foundation)
CTLA-4 may play an inhibitory role in regulating lymphocyte expansion.
(Cytotoxic T-Lymphocyte-Associated Protein 4, NCI Thesaurus)
One of biggest surprises in the octopus genome was the expansion of two gene families, including the protocadherins, which regulate neuronal development.
(First-ever octopus genome sequenced, NSF)
Expansion of a malignant cellular infiltrate far downward into the soft tissues.
(Deep Tissue Invasion, NCI Thesaurus)
