Look up Hydra or hydra in Wiktionary, the free dictionary. Hydra generally refers to: Lernaean Hydra, a many-headed serpent in Greek mythology Hydra (genus)...

The Lernaean Hydra or Hydra of Lerna (Ancient Greek: Λερναῖα ὕδρα, romanized: Lernaîa Húdrā), more often known simply as the Hydra, is a serpentine lake...

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...

Hydra (often capitalized as HYDRA) is a fictional terrorist organization appearing in American comic books published by Marvel Comics. Its name alludes...

Hydra, or Ydra or Idra (EE-dra; Greek: Ύδρα, romanized: Ýdra, pronounced [ˈiðra] in Modern Greek, Arvanitika: Nύδρα/Nidhra), and in antiquity Hydrea,...

Hydra is a Russian language dark web marketplace, founded in 2015, that facilitated trafficking of illegal drugs, financial services including cryptocurrency...

Hydra (or THC Hydra) is a parallelized network login cracker built in various operating systems like Kali Linux, Parrot and other major penetration testing...

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...

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...

where, usually, the goal is to cut off the hydra's "heads" while the hydra simultaneously expands itself. Hydra games can be used to generate large numbers...

Marvel 1943: Rise of Hydra is an upcoming action-adventure video game developed by Skydance New Media and published by Plaion. Its story is inspired by...

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...

Hydra vulgaris, the fresh-water polyp, is a small freshwater hydroid with length from 10 mm to 30 mm and width about 1 mm. The hydra have four to twelve...

Hydra-Shok is a type of hollow-point projectile made by Federal Premium Ammunition. It was originally patented by ammunition designer Tom Burczynski....

Hydra viridissima is a species of cnidarian which is commonly found in still or slow-moving freshwater in the Northern temperate zone. Hydra viridissima...

HYDRA Engine is a brand name for a multi-GPU developed by Lucid Logix. Similar to nVidia's SLI and ATI's Crossfire-technologies, Hydra allows linking several...

the X-Men and the Avengers. She has also been known as Viper and Madame Hydra at various points in her history. Since her original introduction in comics...

but their friends suggested they could live more cheaply on the island of Hydra, which was three hours away by ferry. After visiting Delphi the couple drove...

The hydra effect or hydra paradox owes its name to the Greek legend of the Lernaean Hydra which grew two heads for each one cut off, and is used figuratively...

Hydra oligactis, also known as the brown hydra, is a species of hydra found widely dispersed in the northern temperate zone. It is a common organism found...

Hydra the Revenge, or simply Hydra, is a steel Floorless Coaster at Dorney Park & Wildwater Kingdom in Dorneyville, Pennsylvania. Manufactured by Bolliger...

known members of Hydra, an evil organization appearing in American comic books published by Marvel Comics. The High Council of Hydra consist off: Elisa...

Bob, Agent of Hydra (Robert Dobalina), is a fictional character appearing in American comic books published by Marvel Comics. The character is depicted...

order of distance from Pluto, they are Charon, Styx, Nix, Kerberos, and Hydra. Charon, the largest, is mutually tidally locked with Pluto, and is massive...

Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These...

The Hydra was a magazine produced by the patients of the Craiglockhart War Hospital, noteworthy for having been edited at one time by Wilfred Owen, and...

The Hydra–Centaurus Supercluster (SCl 128), or the Hydra and Centaurus Superclusters, was a previously defined supercluster in two parts, which prior to...

Hydramatic (also known as Hydra-Matic) is an automatic transmission developed by both General Motors' Cadillac and Oldsmobile divisions. Introduced in...

Hydra (Arabic: حيدرة, ḥaydara, pronounced [ˈħajdara]) is a commune in the province of Algiers, Algeria. It is located in Bir Mourad Raïs district, in...

Madame Hydra is the name of several different fictional supervillains appearing in American comic books published by Marvel Comics. It is a name given...