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time derivative vs time-derivative

Both "time derivative" and "time-derivative" are correct, but they are used in different contexts. "Time derivative" is more commonly used in mathematical and scientific contexts, while "time-derivative" is used when the two words are acting as a compound adjective.

Last updated: March 27, 2024

time derivative

This phrase is correct and commonly used in mathematical and scientific contexts.

This phrase refers to the rate of change of a quantity with respect to time. It is often used in calculus and physics.

Alternatives:

  • derivative with respect to time
  • rate of change with respect to time
  • time rate of change

time-derivative

This phrase is correct when the two words are acting as a compound adjective.

This phrase is used to describe a derivative that is specifically related to time. It is hyphenated when used as a compound adjective before a noun.

Alternatives:

  • time-related derivative
  • derivative in terms of time
  • temporal derivative

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