from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various instruments for comparing a measured property of an object, such as its shape, color, or brightness, with a standard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any device for comparing a physical property of two objects, or an object with a standard.
- n. An electronic device that compares two voltages, currents or streams of data.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument or machine for comparing anything to be measured with a standard measure; -- applied especially to a machine for comparing standards of length.
from The Century Dictionary and Cyclopedia
- n. An apparatus for making comparisons; especially, an instrument for comparing the lengths of nearly equal bars, either from end to end or between lines engraved upon them.
- n. A vessel in which liquid is kept rapidly stirred and at a uniform constant temperature so that thermometers immersed in it must all be maintained at the same temperature. Simultaneous readings of the secondary thermometers and the standard are made, and the corrections to the former are thus determined for a wide range of temperatures.
Sorry, no etymologies found.
This multicenter, double blind, randomized, repeat dose placebo controlled study will include an open label comparator arm and will evaluate approximately 90 postmenopausal osteoporotic women for a period of 24 weeks.
The control arm is also called the "comparator arm."
Ten years ago, suits against mothers were often stymied because courts could not find a suitable "comparator" -- a similarly situated pregnant man.
A comparator is an instrument for comparing a measurement with a standard.
This little nugget of what you call reality then arrives at a device that engineers call a comparator.
On the other hand, if the API says the sort method takes a "comparator" block, it gives the developer much more knowledge on what the block's responsibility is and what parameters to expect without having to read through the code.
The British legal claims say 3M used a different comparator to test BacLite than the one it told the FDA it would use and which had been successfully used in Europe, and kept samples overnight at the wrong temperatures.
History will have to judge how it compares to other such episodes (McCarthyism would make a fascinating comparator).
Since no university wants its faculty paid in the bottom half of their comparator group, the effect of every survey is to raise average salaries.
The government can, by regulation once again, restrict the comparator jobs upon which compensation assessment can be based (s. 4  d).