The Oxford English Dictionary (OED) entry on siphon, published in 1911, states that a siphon works by atmospheric pressure. Stephen Hughes of Queensland University of Technology criticized this in a 2010 article which was widely reported in the media. The OED editors stated, "there is continuing debate among scientists as to which view is correct. ... We would expect to reflect this debate in the fully updated entry for siphon, due to be published later this year." Hughes continued to defend his view of the siphon in a late September post at the Oxford blog. The 2015 definition by the OED is:
The Encyclopædia Britannica currently describes a siphon as: