transactinide element
[ trans-ak-tuh-nahyd, tranz- ]
/ trænsˈæk təˌnaɪd, trænz- /
noun Chemistry, Physics.
any element having an atomic number higher than 103, the last of the actinide series. These superheavy, radioactive elements are extremely short-lived, and can only be created in the laboratory.
See also
transuranic element.
Words nearby transactinide element
trans.,
transacetylase,
transacetylation,
transact,
transactinide,
transactinide element,
transaction,
transactional analysis,
transactivate,
transacylase,
transaldolation