hang-up
— Noun
– English
～ an emotional preoccupation
higher-up
— Noun
– English
～ one of greater rank or station or quality
high-up
— Noun
– English
～ an important or influential (and often overbearing) person
heads-up
— Noun
– English
～ a warning message; "he sent a heads-up to the District Attorney"
hypertext mark-up language
— Noun
– English
～ a set of tags and rules (conforming to SGML) for using them in developing hypertext documents
happen upon
— Verb
– English
～ find unexpectedly; "the archeologists chanced upon an old tomb"; "she struck a goldmine"; "The hikers finally struck the main path to the lake"
hinge upon
— Verb
– English
～ be contingent on; "The outcomes rides on the results of the election"; "Your grade will depends on your homework"
Housing and Urban Development
— Noun
– English
～ the United States federal department that administers federal programs dealing with better housing and urban renewal; created in 1965
heart urchin
— Noun
– English
～ sea urchin having a heart-shaped body in a rigid spiny shell
Harold Clayton Urey
— Noun
– English
～ United States chemist who discovered deuterium (1893-1981)
Harold Urey
— Noun
– English
～ United States chemist who discovered deuterium (1893-1981)
Hizb ut-Tahrir
— Noun
– English
～ the most popular and feared Islamic extremist group in central Asia; advocates `pure' Islam and the creation of a worldwide Islamic state
Henry V
— Noun
– English
～ son of Henry IV and King of England from 1413 to 1422; reopened the Hundred Years' War and defeated the French at Agincourt (1387-1422)
Henry Valentine Miller
— Noun
– English
～ United States novelist whose novels were originally banned as pornographic (1891-1980)
heart valve
— Noun
– English
～ an implant that replaces a natural cardiac valve
heart valve
— Noun
– English
～ a valve to control one-way flow of blood