Definition of birtherism in English:
birtherism
nounˈbəːθərɪz(ə)mˈbərθərɪzəm
mass nounThe incorrect belief that former US president Barack Obama was born outside the United States and was therefore ineligible to be president under the provisions of the US Constitution.
he became a major proponent of birtherism
Definition of birtherism in US English:
birtherism
nounˈbərθərɪzəmˈbərTHərizəm
The incorrect belief that former US president Barack Obama was born outside the United States and was therefore ineligible to be president under the provisions of the US Constitution.
he became a major proponent of birtherism