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English definition of “latch onto sth”

latch onto sth

verb [I or T] uk phrasal verb with latch   /lætʃ/ us  

(BECOME CONNECTED)

to become connected to something: The antibodies work by latching onto proteins on the surfaces of the viruses and bacteria.

(BECOME INTERESTED)

informal to become interested in an idea, story, or activity, and to start to use it: Unfortunately the press have already latched onto the story.
(Definition of latch onto sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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