heliotropism |
the tendency to turn toward or away from light, esp. sunlight, as in a sunflower. |
heliport |
a facility, often on a rooftop, where a helicopter may take off or land. |
helium |
a chemical element of the inert gas group that contains two protons in each nucleus and that occurs as a lighter-than-air gas often used for lifting power and in air-free atmospheres where an inert gas is required, as in welding. (symbol: He) |
helix |
a three-dimensional curve with a central axis and a steadily increasing, steadily decreasing, or constant circumference; spiral. |
hell |
in some religions, the place where the souls of wicked people are punished after death. [6 definitions] |
he'll |
contracted form of "he will." |
hellbender |
a large salamander found in rivers and streams of the eastern United States. |
hell-bent |
unshakably and incautiously determined (usu. fol. by "on"). [2 definitions] |
hellcat |
(informal) a hot-tempered or wicked woman. |
helldiver |
a grebe, esp. the pied-billed grebe. |
hellebore |
any of several mostly poisonous herbs that bear white or greenish flowers. [2 definitions] |
Hellene |
a native or citizen of ancient Greece. |
Hellenic |
relating to the culture of the ancient Greeks, from the eighth century B.C. to the fourth century B.C. [2 definitions] |
Hellenism |
a Greek idiom, phrase, or the like. [3 definitions] |
Hellenistic |
pertaining to non-Greeks of the ancient period who adopted Greek customs, language, and the like. [2 definitions] |
Hellenize |
to make or become Greek or Hellenistic in character. |
heller |
see "haler." [2 definitions] |
hellfire |
the punishments of hell. |
hellgrammite |
the larva of a dobsonfly, often used as fish bait. |
hellion |
(informal) an impish, uncontrollable, or bothersome person, esp. a child. |
hellish |
pertaining to or having attributes of hell; dreadful; miserable; wicked. |