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hard hat

noun \usually -ˈhat for 1 and -ˌhat for 1b & 2\

Simple Definition of hard hat

  • : a hat that is worn by workers at a building site to protect their heads from falling objects

Source: Merriam-Webster's Learner's Dictionary

Full Definition of hard hat

  1. 1 a :  a protective hat made of rigid material (as metal or fiberglass) and worn especially by construction workers b :  a construction worker

  2. 2 :  a conservative who is intolerant of opposing views

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