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Very Dangerous Element Crossword Clue

There is 1 exact and 144 possible answers.
We've checked our database and believe the answer is RADON which was last seen in the New York Times crossword.
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We think the answer to this crossword clue is: RADON

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99%5Exact Match!
noun

• a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health

25%7 Group Theory: A term used to describe an element that, when multiplied by a given element, yields the identity element.
noun

• The transpose of the cofactor matrix of a given square matrix.

• (of a matrix) Transpose conjugate.

• (of an operator) Hermitian conjugate.

• A functor related to another functor by an adjunction.

• A curve A such that any point of a given curve C of multiplicity r has multiplicity at least r–1 on A. Sometimes the multiple points of C are required to be ordinary, and if this condition is not satisfied the term sub-adjoint is used.

• An assistant to someone who holds a position in the military or civil service.

• An assistant mayor of a French commune.

adjective

• Used in certain contexts, in each case involving a pair of transformations, one of which is, or is analogous to, conjugation (either inner automorphism or complex conjugation).

• (of a functor) That is related to another functor by an adjunction.

• (of one curve to another curve) Having a relationship of the nature of an adjoint (adjoint curve); sharing multiple points with.

25%13 Property of a relation that states if an element has a certain property with respect to another element, then the second element does not have that property with respect to the first
adjective

• (of a binary relation R on a set S) Having the property that, for any two distinct elements of S, at least one is not related to the other via R; equivalently, having the property that, for any x, y ∈ S, if both xRy and yRx then x=y.

• (of certain mathematical objects) Whose sign changes on the application of a matrix transpose or some generalisation thereof:

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Clue Last Found In...

Source #Number Answer
New York Times21 Aug 1987 Across 1
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