Beckmann rearrangement

noun (1)
Beck·​mann rearrangement | \ ˈbek-mən-, -ˌmän-\

Definition of Beckmann rearrangement

 (Entry 1 of 2)

: a rearrangement by which a ketoxime [as the oxime (C6H5)2C:NOH of benzophenone] changes into an amide derivative (such as benzanilide) on treatment usually with phosphorus pentachloride or an acid

Beckmann thermometer

noun (2)

Definition of Beckmann thermometer (Entry 2 of 2)

: a very sensitive thermometer that has a small range adjustable for any desired values and that is used for determining accurately small differences in temperature (such as the change in freezing point or boiling point of a liquid when some substance is dissolved in it)

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History and Etymology for Beckmann rearrangement

Noun (1)

after Ernst O. Beckmann †1923 German chemist

Noun (2)

after Ernst O. Beckmann

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