Also found in: Medical.


1. Characterized by great or heightened activity or change.
2. Exhibiting an abnormally large amount of power or force, as of muscular contraction: hyperdynamic uterine contractions
References in periodicals archive ?
Oil and gas company Hyperdynamics Corporation (OTCQX:HDYN) reported on Friday the launch of a USD6m definitive agreement to issue and sell 40 million common shares at a price of USD0.
Hyperdynamics Corporation today announced that Chief Financial Officer Sergey Alekseev will transition to the position of President of Hyperdynamics' subsidiary SCS Corporation Ltd.
Hyperdynamics Corporation (OTCQX: HDYN), an emerging independent oil and gas exploration company, has signed a Memorandum of Understanding with the National Petroleum Office of the Republic of Guinea.
Hyperdynamics previously traded on the New York Stock Exchange under the symbol HDY.
com/cases/hyperdynamics/) today announced that a class action has been commenced in the United States District Court for the Southern District of Texas on behalf of purchasers of Hyperdynamics Corporation ("Hyperdynamics") (NYSE:HDY) publicly traded securities during the period between February 17, 2011 and February 15, 2012 (the "Class Period").
Hyperdynamics Corporation (Hyperdynamics) (NYSE Amex: HDY), an independent oil and gas exploration and production company, has extended the term of its letter of intent with Repsol YPF, SA (Repsol) (BMAD: REP and NYSE: REP).
DALLAS -- Branham Law Group, LLP, a firm representing shareholders, is investigating HyperDynamics Corporation (NYSE: HDY) to determine whether actions of the officers or directors at HyperDynamics resulted in materially false and misleading statements to investors.
Oil & gas company Hyperdynamics Corporation (NYSE:HDY) revealed on Wednesday that it plans to sell a portion of its 77% interest in the 25,000-square-kilometer oil and gas exploration concession offshore Guinea in West Africa in the second quarter of 2012.
Dana Petroleum (Dana) (LSE: DNX), FTSE 250 independent oil and gas exploration and production company, has signed a letter of intent with Texas-based Hyperdynamics Corporation (Hyperdynamics).
Hyperdynamics Corporation (Hyperdynamics) (NYSE Amex: HDY), a company that offers energy for the future by exploring internationally for new sources of oil and gas, has signed a Memorandum of Understanding (MoU) with Ray Leonard, Chief Executive Officer, and Minister of Mines, Energy and Hydraulics of the Republic of Guinea, Mahmoud Thiam.
HOUSTON -- Hyperdynamics Corporation's (AMEX:HDY) Chief Executive Officer provides an update on the company's joint venture process as follows: