integrator

American  

[in-ti-grey-ter] / ˈɪn tɪˌgreɪ tər /

noun

1. a person or thing that integrates.

2. Also called integraph.  an instrument for performing numerical integrations.

---

integrator British  

/ ˈɪntɪˌɡreɪtə /

noun

1. a person or thing that integrates, esp a mechanical instrument that determines the value of a definite integral, as the area under a curve See also planimeter

2. computing

   1. an arithmetic component with two input variables, x and y, whose output variable z is proportional to the integral of y with respect to x

   2. an arithmetic component whose output variable is proportional to the integral of the input variable with respect to elapsed time

---

Etymology

Origin of integrator

First recorded in 1875–80; integrate + -or ²