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The cavity or mold in which anything is formed.
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(now rare) The womb.
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The metaphorical place where something is made, formed, or given birth.
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(biology) The material or tissue in which more specialized structures are embedded.
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(biology) An extracellular matrix, the material or tissue between the cells of animals or plants.
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(biology) Part of the mitochondrion.
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(biology) The medium in which bacteria are cultured.
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A table of data.
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(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.
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(computing) A two-dimensional array.
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(slang, figurative, science fiction) Alternative letter-case form of Matrix; a controlled environment or situation in which people behave in ways that conform to pre-determined roles.
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(electronics) A grid-like arrangement of electronic components, especially one intended for information coding, decoding or storage.
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(geology) A geological matrix.
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(archaeology, paleontology) The sediment surrounding and including the artifacts, features, and other materials at a site.
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(analytical chemistry) The environment from which a given sample is taken.
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(printing, historical) In hot metal typesetting, a mold for casting a letter.
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(printing, historical) In printmaking, the plate or block used, with ink, to hold the image that makes up the print.
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(dyeing) The five simple colours (black, white, blue, red, and yellow) from which all the others are formed.
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(material science) A binding agent of composite materials, e.g. resin in fibreglass.