auto- prefix Definition in British English Dictionary
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Definition of "auto-" - British English Dictionary

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auto-prefix

uk   /ɔː.təʊ-/  us   /ɑː.t̬oʊ-/
of or by yourself, or operating independently and without needing help: an autofocus camera an auto-immune disease
(Definition of auto- prefix from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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