Definition of megaton
: an explosive force equivalent to that of one million tons of TNT
Examples of megaton in a Sentence
an atomic explosion with a force of several megatons
Recent Examples of megaton from the Web
It is estimated that an impact with an asteroid of that size will occur, on average, once every 80,000 years, and its impact energy would be equivalent to 750 megatons of kinetic energy.
By comparison, the Tunguska event -- which flattened a huge forested area in Russia's Siberia -- is thought to have only been about 10 megatons of force.
The blast, which was later attributed to a comet or asteroid fragment, is generally estimated to have been about 10 megatons.
For a brief moment, the collision radiated away 1056 ergs a second (or 1034 megatons).
Those bombs had an explosive yield of 9 megatons, or 9,000 kilotons of explosives.
Reed calculated that a 20 megaton explosion could slow a storm with 100-knot peak winds to 50 knots.
Early data enabled Boslough and Crawford to estimate the size of the fragments: the biggest was nearly 2 kilometers across, and the power of the blast reached around 1 million megatons, dozens of times the power of the nuclear arsenal on Earth.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'megaton.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of megaton
MEGATON Defined for English Language Learners
Definition of megaton for English Language Learners
: an explosive force that is equal to one million tons of TNT
Seen and Heard
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