tautology
Concise Oxford English Dictionary © 2008 Oxford University Press:
tautology /tɔːˈtɒlədʒi/
▶noun (pl. tautologies)
- 1 the unnecessary repetition within a statement of the same thing in different words.
- 2 Logic a statement that is true by necessity or by virtue of its logical form.
– derivatives
tautological adjective,
tautologically adverb,
tautologist noun,
tautologize (or tautologise) verb,
tautologous adjective.
tautological adjective,
tautologically adverb,
tautologist noun,
tautologize (or tautologise) verb,
tautologous adjective.
– origin C16: via late L. from Gk, from tautologos ‘repeating what has been said’, from tauto- ‘same’ + -logos (see -logy).
'tautology' also found in these Oxford entries:
