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When we talk about an explosive, we are referring to something with a lot of stored energy that wants to get out all at once. Imagine a balloon filled with way too much air; when it pops, that is a tiny, harmless version of an explosion. An explosive substance is designed to do this on a much larger and more powerful scale.

You will most often hear this word in news reports, action movies, or discussions about industrial safety. It is important to remember that while the word can sound exciting in a cinematic context, in real life, it represents something extremely dangerous that requires specialized training and strict handling protocols.

The word explosive comes from the Latin word explodere, which literally means 'to drive out by clapping' or 'to hiss off the stage.' Back in the day, audiences would boo actors off the stage by clapping loudly, which is where the 'explosion' of sound came from.

As science progressed, the word evolved to describe the sudden, violent release of energy. The development of gunpowder in the Middle Ages changed how humans used force, leading to the creation of more stable and powerful chemical compounds. By the 19th century, with the invention of dynamite by Alfred Nobel, the word became a standard term in both engineering and warfare.

In English, explosive is used as both a noun and an adjective. As a noun, it refers to the material itself, such as 'The bomb squad found an explosive at the site.' As an adjective, it describes something that is likely to explode or something that grows very quickly, like 'an explosive increase in popularity.'

Common collocations include plastic explosive, high explosive, and explosive device. In a formal or technical register, you might hear experts talk about 'detonating an explosive' or 'handling explosives' with extreme caution. Always be mindful of the tone when using this word, as it carries a heavy, serious weight.

While there are few literal idioms, we often use the word figuratively. 1. Explosive temper: Someone who gets angry very suddenly and violently. Example: 'He has an explosive temper, so don't provoke him.' 2. Explosive growth: Rapid expansion of a company or trend. Example: 'The startup saw explosive growth this year.' 3. A ticking time bomb: A situation likely to explode or fail soon. Example: 'The tension in the office is a ticking time bomb.' 4. To blow up: To become very angry or to explode. Example: 'She blew up at me for no reason.' 5. To go off: When an explosive device detonates. Example: 'The alarm went off suddenly.'

The noun explosive is usually countable when referring to specific types (e.g., 'They found several explosives'). In general, it can be used as a mass noun. The stress is on the second syllable: ik-SPLO-siv.

It rhymes with words like cohesive, incisive, and derisive. In American English, the 's' sound is voiced slightly, while in British English, it is often crisper. Remember, when using it as an adjective, it follows the noun, like 'an explosive situation,' but as a noun, it stands alone as the subject or object of the sentence.