Glaive treatise "Paradoxes of Defence" by the English gentleman George Silver, the glaive is used in the same general manner as the quarterstaff, half pike, bill, halberd, voulge, or partisan. Silver rated this class of polearms above all other individual hand-to-hand combat weapons. The Maciejowski Bible (Morgan Bible) depicts an example of a two-handed glaive used on horseback. The contemporary term for this weapon may have been "faussart", which was used for a variety of single-edged weapons seen as related to the scythe (along with terms such as "falchion", "falcata, or fauchard" derived from "falx", the Latin term for "scythe"). The
Types of volcanic eruptions Types of volcanic eruptions Several types of volcanic eruptions—during which lava, tephra (ash, lapilli, volcanic bombs and volcanic blocks), and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. There are three different types of eruptions. The most well-observed are magmatic eruptions, which involve the decompression of gas within magma that