a chemical element that is a white radioactive metal. Its symbol is Th.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
2
a radioactive element, which some countries are planning to use as a source of nuclear power because it is considered to be safer than uranium
Officials are currently selecting a site for the reactor, which would be the first of its kind, using thorium for the bulk of its fuel instead of uranium – the fuel for conventional reactors.
Submitted from: United Kingdom on 02/11/2011
thorium
noun uncountable chemistry
US /ˈθɔriəm/
DEFINITIONS2
1
a chemical element that is a white radioactive metal. Its symbol is Th.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
2
a radioactive element, which some countries are planning to use as a source of nuclear power because it is considered to be safer than uranium
Officials are currently selecting a site for the reactor, which would be the first of its kind, using thorium for the bulk of its fuel instead of uranium – the fuel for conventional reactors.