hugget sukker
— Noun
– Danish
～ sukker bestående af kulhydratet sakkarose, støbt i ...
Helvella sulcata
— Noun
– English
～ a helvella with an irregularly convoluted cap that is dark brown when young and becomes dull grey with age; the lower surface of the cap is smooth and pale grey; the stalk is thick and deeply fluted
hydrogen sulfide
— Noun
– English
～ a sulfide having the unpleasant smell of rotten eggs
Huygens' principle of superposition
— Noun
– English
～ the displacement of any point due to the superposition of wave systems is equal to the sum of the displacements of the individual waves at that point; "the principle of superposition is the basis of the wave theory of light"