TUC

1. UKabbreviationinitialismInitialism of Trades Union Congress, a federation of trade unions in England and Wales.

   He said that Farage had pushed a “very divisive narrative” on migration, after the TUC argued that the UK should forge much closer ties with Europe amid an increasingly volatile and unpredictable global economy.

   2025 April 27, Pippa Crerar, “Nigel Farage is a political fraud ‘cosplaying’ as working-class champion, TUC chief says”, in The Guardian, →ISSN

   1 more example

   An early instance, says the TUC, of the kind of unholy alliance between lawyers, police, government and News International that exemplifies the "malign and corrosive" influence of Rupert Murdoch on the British establishment.

   2011 July 27, Jon Henley, “Rupert Murdoch and the battle of Wapping: 25 years on”, in The Guardian, →ISSN

2. rail transportThe station code of Tung Chung in Hong Kong.

plural TUCs

1. abbreviationinitialismaeronauticsInitialism of time of useful consciousness: The time one may remain functional after a rapid decompression event without supplemental oxygen, at altitudes higher than that which one may remain functional at in ambient pressures.