A dike or dyke is a vertical or near-vertical intrusion of igneous rock that has forced its way upward through overlting strata.
* Thrax is short for 'Anthrax', a lethal disease who's main symptom is a terrible, deadly fever. Despite those two strong similarities, Thrax shares no other similarities with the Anthrax disease and is in fact not an Anthrax virus, and is most likely a fictitous disease. *The song Thrax is humming is called 'Fever'. Thrax is short for 'Anthrax', a lethal disease who's main symptom is a terrible, deadly fever. Despite those two strong similarities, Thrax shares no other similarities with the Anthrax disease and is in fact not an Anthrax virus, and is most likely a fictitous disease. *The song Thrax is humming is called 'Fever'.
Hummingbird Heartbeat. Hummingbird Heartbeat is a song recorded by American singer Katy Perry for her third studio album, Teenage Dream (2010). It was written by Perry, Christopher Tricky Stewart, Stacy Barthe, and Monte Neuble. Stewart handled the production of the song, while Kuk Harrell produced Perry's vocals.