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sunstroke

noun [U]
 
 
/ˈsʌn.strəʊk/ US  /-stroʊk/

Definition

an illness caused by spending too much time in strong heat and light from the sun: Someone who is suffering from sunstroke feels dizzy and has a high temperature, but does not sweat.Fevers and infectious diseasesColds and flu
(Definition of sunstroke noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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