Englishfor English speakers
grating
—
noun
(= grate)
a barrier that has parallel or crossed bars blocking a passage but admitting air
—
adjective
(= gravelly)
unpleasantly harsh or grating in sound
a gravelly voice
—
noun
(= grate)
a frame of iron bars to hold a fire
—
noun
(= diffraction grating)
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
measuring
—
noun
(= measurement)
the act or process of assigning numbers to phenomena according to a rule
the measurements were carefully done
his mental measurings proved remarkably accurate
system
Noun
—
A group of things that work together; a way of doing something.
This coloured paper is part of my system for keeping lists of people.