gratingly is a form of:

Grating



ជាទម្រង់ Gerund ឬ Present Participle នៃ grate
noun
1.
(A framework of parallel or latticed bars) ឈ្លើយ (សំឡេង) / របងប្រដឹស, ចំរឺងដែកនៅទ្វារបង្អួច, បង្កៀតឮសូរខ្លាំងៗ (កង់រទេះ) / ការបង្ខាំងក្នុងចំរឹងរបង, ការដុតធាតុរ៉ែមុនស្លរំលាយ
Example: The rusty door opened with a grating sound, a grating habit.
ENGLISH MEANING
noun
1.
A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent.
2.
A system of close equidistant and parallel lines lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating.
3.
The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable Lattice used for the flooring of boats.
4.
A harsh sound caused by attrition.
5.
A system of close equidistant parallel lines or bars, esp. lines ruled on a polished surface, used for producing spectra by diffraction. Gratings have been made with over 40,000 such lines to the inch, but those with a somewhat smaller number give the best definition.
adjective
1.
That grates; making a harsh sound; harsh.