TEMPO

TEMPO

oxy, or oxidanyl or TEMPO is a chemical compound with the formula 32NO. This heterocyclic compound is a red-orange, sublimable solid. As a stable radical, it has applications in chemistry and biochemistry. TEMPO was discovered by Lebedev and Kazarnowskii in 1960. It is prepared by oxidation of 2,2,6,6-tetramethylpiperidine. TEMPO is widely used as a radical trap, as a structural probe for biological systems in conjunction with electron spin resonance spectroscopy, as a reagent in organic synthesis, and as a mediator in controlled free radical polymerization. The stability of this radical is attributed to the ...

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Tempo

In chess, tempo refers to a "turn" or single move. When a player achieves a desired result in one fewer move, the player "gains a tempo"; and conversely when a player takes one more move than necessary, the player "loses a tempo". Similarly, when a player forces their opponent to make moves not according to their initial plan, one "gains tempo" because the opponent wastes moves. A move that gains a tempo is often called a move "with tempo".

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tempo

Noun

  1. a frequency or rate
  2. a move which is part of one's own plan or strategy and forces, e.g. by means of a check or attacking a piece, the opponent to make a move which is not bad but of no use for him (the player gains a tempo, the opponent loses a tempo), or equivalently a player achieves the same result in fewer moves by one approach rather than another.
  3. timing of a particular event – earlier or later than in an alternative situation (as in chess example)
  4. The number of beats per minute in a piece of music; also, an indicative term denoting approximate rate of speed in written music (examples: allegro, andante)
  5. A small truck of cargo van with three or four wheels, commonly used for commercial transport and deliveries (particularly in Asian and African countries)--a genericided trademark originally associated with Vidal & Sohn Tempo-Werke GmbH that manufactured such vehicles.


The above text is a snippet from Wiktionary: tempo
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