megaton

(redirected from megatonnes)
Also found in: Dictionary, Thesaurus.
Related to megatonnes: gigaton, metric ton, Kilotonne, Metric tonnes

megaton

1. one million tons
2. an explosive power, esp of a nuclear weapon, equal to the power of one million tons of TNT

megaton

[′meg·ə‚tən]
(physics)
The energy released by 1,000,000 metric tons of chemical high explosive calculated at a rate of 1000 calories per gram, or a total of 4.18 × 1015 joules; used principally in expressing the energy released by a nuclear bomb. Abbreviated MT.
References in periodicals archive ?
spaces more easily would result in a reduction of 23 megatonnes of CO 2
If the industry begings to make moves towards sustainability, 57.8 megatonnes in GHG could be saved by 2019, although output of GHG is still expected to rise by 31.9% by 2019, to 115.5 megatonnes.
This plateau, followed by a slight decline, has been due to China's extraordinarily large rise in coal extraction, from about 600 megatonnes in 1980 to 3.25 gigatonnes in 2010; that kept China's fossil fuel H : C ratio at 1.15 between 1980 and 2000 and then, even with large increases in consumption of hydrocarbons (crude oil combustion nearly doubling in a decade, natural gas use more than quadrupling) it allowed it to rise only marginally to 1.17 by the year 2010.
By 2030, total waste arisings in the Sustainability Turn scenario will only increase by six per cent to 208 megatonnes. Waste is a thing of the past.
Add megatonnes of lime to the ocean has been suggested to balance the extra acidity.
Accompanying this huge lava output were vigorous fire fountains that pumped tens of megatonnes of sulphur into the atmosphere.
When compared to other Organisation for Economic Co-operation and Development countries for C[O.sub.2] equivalent emissions to produce US$10,000 worth of gross domestic product, Canada at 8.4 megatonnes and New Zealand at 11.7 are among the highest whereas the United Kingdom generates 3.6 and Sweden 2.2 (UNFCCC 2010).
According to some experts, countries in the GCC stand to save around $400 million and 5.1 megatonnes of CO2 emissions annually by switching to LED lighting technology.
The plant will generate approximately three megatonnes of greenhouse gas emissions per year.
Experts estimate that GCC countries could save as much as $400 million in energy bills and 5.1 megatonnes of CO2 emissions annually by switching to LED lighting technology.
The blast, measuring 1.5 megatonnes, resulted from the poor storage of 98 containers of arms shipped from Iran and headed to Syria, which were reluctantly confiscated by Cyprus following United Nations sanctions.
By preserving these forests, the project's managers aim to prevent the release of 96 megatonnes of carbon dioxide equivalent into the atmosphere over the next 30 years.