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Hydra (/ˈhaɪdrə/
HY-
drə) is a
genus of
small freshwater hydrozoans of the
phylum Cnidaria. They are
native to the
temperate and
tropical regions. The...
- Look up
Hydra or
hydra in Wiktionary, the free dictionary.
Hydra generally refers to:
Lernaean Hydra, a many-headed
serpent in Gr****
mythology Hydra (genus)...
- The
Lernaean Hydra or
Hydra of
Lerna (Ancient Gr****: Λερναῖα ὕδρα, romanized: Lernaîa Húdrā), more
often known simply as the
Hydra, is a
serpentine lake...
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Hydra, or Ydra or Idra (EE-
dra; Gr****: Ύδρα, romanized: Ýdra,
pronounced [ˈiðra] in
Modern Gr****, Arvanitika: Nύδρα/Nidhra), and in
antiquity Hydrea, is...
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Hydra (often
capitalized as
HYDRA) is a
fictional terrorist organization appearing in
American comic books published by
Marvel Comics. Its name alludes...
- The
Hydra 70
rocket is an
American made 2.75-inch (70 mm)
diameter fin-stabilized
unguided rocket used
primarily in the air-to-ground role. It can be...
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Hydra is a
natural satellite of Pluto, with a
diameter of
approximately 51 km (32 mi)
across its
longest dimension. It is the second-largest moon of Pluto...
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Hydra is the
largest of the 88
modern constellations,
measuring 1303
square degrees, and also the
longest at over 100 degrees. Its
southern end borders...
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Hydra is a
Russian language dark web marketplace,
founded in 2015, that
facilitated trafficking of
illegal drugs,
financial services including cryptocurrency...
- the X-Men and the Avengers. She has also been
known as
Viper and
Madame Hydra at
various point in her history.
Since her
original introduction in comics...
