(Building) a trademark name for plasterboard or drywall, composed of gypsum enclosed by heavy sheets of paper and used for constructing interior walls and ceilings. (ËÊitËrÉk) Trademark. a brand name for a plasterboard of gypsum between paper.
If we go by the official list of dangerous sharks (e.g. from the International Shark Attack File ISAF, an institution which analyzes and collects reports on shark attacks) the white shark (Carcharodon carcharias) ranks first, followed by the tiger shark (Galeocerdo cuvier) and the bull shark (Carcharhinus leucas).
Many snake experts have cited the black mamba and the coastal taipan as the world's most dangerous, albeit not the most venomous snakes. Both species are elapids, and in several aspects of morphology, ecology and behaviour, the coastal taipan is strongly convergent with the black mamba.