horror-struck
— Adjective
– English
～ stricken with horror
hierarchical data structure
— Noun
– English
～ a structure of data having several levels arranged in a treelike structure
hierarchical structure
— Noun
– English
～ a structure of data having several levels arranged in a treelike structure
horny structure
— Noun
– English
～ any rigid body structure composed primarily of keratin
highly strung
— Adjective
– English
～ being in a tense state
high-strung
— Adjective
– English
～ being in a tense state
home study
— Noun
– English
～ a course of study carried out at home rather than in a classroom
hot stuff
— Noun
– English
～ the quality of being popular; "skiing is hot stuff in New Hampshire"
hot stuff
— Noun
– English
～ the quality of being attractive and exciting (especially sexually exciting); "he thought she was really hot stuff"
home-style
— Adjective
– English
～ as if in the home; "home-style cooking"
hair style
— Noun
– English
～ the arrangement of the hair (especially a woman's hair)
high style
— Noun
– English
～ trend-setting fashions
heat of sublimation
— Noun
– English
～ heat absorbed by a unit mass of material when it changes from a solid to a gaseous state
humic substance
— Noun
– English
～ an organic residue of decaying organic matter
hog sucker
— Noun
– English
～ widely distributed in warm clear shallow streams
high-sudsing
— Adjective
– English
～ (used of e.g. detergents) producing many suds
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"