The word for today is…

deflagrate (verb) – To burn or cause to burn with great heat and intense light.

Source : The Free Dictionary

Etymology : Deflagrate combines the Latin verb flagrare, meaning “to burn,” with the Latin prefix de-, meaning “down” or “away.” Flagrare is also an ancestor of such words as conflagration and flagrant and is distantly related to fulgent and flame. In the field of explosives, deflagrate is used to describe the burning of fuel accelerated by the expansion of gasses under the pressure of containment, which causes the containing vessel to break apart. In comparison, the term detonate (from the Latin tonare, meaning “to thunder”) refers to an instant, violent explosion that results when shock waves pass through molecules and displace them at supersonic speed. Deflagrate has been making sparks in English since about 1727, and detonate burst onto the scene at around the same time.

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Peter is a fourth-generation New Zealander, with his mother's and father's folks having arrived in New Zealand in the 1870s. He lives in Lower Hutt with his wife, some cats and assorted computers. His...