Definition of Matrix

1. Noun. (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules.

Category relationships: Math, Mathematics, Maths
Specialized synonyms: Correlation Matrix, Dot Matrix, Square Matrix, Real Matrix, Transpose
Generic synonyms: Array

2. Noun. (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded.
Category relationships: Geology
Generic synonyms: Rock, Stone

3. Noun. An enclosure within which something originates or develops (from the Latin for womb).
Generic synonyms: Enclosure, Natural Enclosure

4. Noun. The body substance in which tissue cells are embedded.
Exact synonyms: Ground Substance, Intercellular Substance
Generic synonyms: Body Substance
Group relationships: Bone, Os, Connective Tissue, Cartilage, Gristle

5. Noun. The formative tissue at the base of a nail.
Generic synonyms: Animal Tissue
Group relationships: Nail

6. Noun. Mold used in the production of phonograph records, type, or other relief surface.
Generic synonyms: Cast, Mold, Mould

Definition of Matrix

1. n. The womb.

Definition of Matrix

1. Noun. (rare) The womb. ¹

2. Noun. (biology) The material or tissue in which more specialized structures are embedded. ¹

3. Noun. (biology) An extracellular matrix, the material or tissue between the cells of animals or plants. ¹

4. Noun. (biology) Part of the mitochondrion. ¹

5. Noun. (biology) The medium in which bacteria are cultured. ¹

6. Noun. (mathematics) A rectangular arrangement of numbers or terms having various uses such as transforming coordinates in geometry, solving systems of linear equations in linear algebra and representing graphs in graph theory. ¹

7. Noun. (computing) A two-dimensional array. ¹

8. Noun. A table of data. ¹

9. Noun. (geology) A geological matrix, the outer material of a rock consisting of larger grains embedded in a material consisting of smaller ones. ¹

10. Noun. (archaeology) The sediment surrounding and including the artifacts, features, and other materials at a site. ¹

11. Noun. (analytical chemistry) The environment from which a given sample is taken. ¹

¹ Source:

Definition of Matrix

1. something within which something else originates or develops [n -TRICES or -TRIXES]

Medical Definition of Matrix

1. Ground substance in which things are embedded or that fills a space (as for example the space within the mitochondrion). most common usage is for a loose meshwork within which cells are embedded (e.g. Extracellular matrix), although it may also be used of filters or absorbent material. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Matrix Pictures

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Lexicographical Neighbors of Matrix

matrimonial law
matrimony vine
matrix (current term)
matrix-associated helicase
matrix Gla protein
matrix addition
matrix algebra
matrix band
matrix bands
matrix calculi
matrix calculus
matrix decomposition
matrix inversion
matrix isolation
matrix mechanics
matrix mitochondrialis
matrix multiplication

Literary usage of Matrix

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Century Dictionary: An Encyclopedic Lexicon of the English Language by William Dwight Whitney (1890)
"matrix-rolling machine, in stereotyping by the paper process, a machine sometimes used, ... The steel matrix is subsequently hardened and tempered. ..."

2. Proceedings of the Society for Experimental Biology and Medicine (1903)
"Demineralized bone matrix powder with a particle size between 74-420 /xm was ... The drugs were mixed with matrix powder and implanted locally at doses ..."

3. Theoretical Kinematics by Oene Bottema, Bernard Roth (1990)
"The transformation P—»P' is thus expressed as a matrix multiplication. ... Both cases exist: for I we have A = 1; for the orthogonal matrix a,, = - 1, ..."

4. A Treatise on Universal Algebra: With Applications by Alfred North Whitehead (1898)
"But in this case the matrix satisfies an equation of an order lower than the i/th. 152. ... 144] can only exist if a matrix has a zero latent root. ..."

5. Projective Geometry by Oswald Veblen, John Wesley Young (1910)
"Of the two matrices either of which is obtained from the other by interchanging rows and columns, one is called the conjugate or transposed matrix of the ..."

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