precipitation (noun) prē-si-pi-'tā-shun the phenomenon of water falling from the sky in different forms Rain and snow are examples of precipition. prepare (verb) pri-'paerr to make ready Farmers prepare the fields to plant corn. presentation (noun) prē-zen-'tā-shun the act of demonstrating I am giving a presentation about the American Revolution. prof ile (noun) 'prō-fīl a view of something from the side My little brother turned his head so the photographer could take a picture of his prof ile. pronounce (verb) prō-'nowns to use your voice to make sounds in a certain way The colonists could not pronounce the word, so they called it squash. proportion (noun) prō-'porr-shun the relationship in size between things Sometimes artists sculpt elements out of proportion on purpose. protect (verb) prō-'tekt to keep safe from harm The bike helmets protect the boys’ heads. protein (noun) 'prō-tēn large molecules of amino acids found in many foods Fish, meat, and eggs all contain protein. protest (noun) 'prō-test an opposition to something The colonists had a protest because they didn’t like the tax laws. proton (noun) 'prō-ton a tiny piece of positively charged matter that moves around the nucleus of an atom A proton is a tiny particle with a positive charge in an atom. protractor (noun) 'pro-trak-turr a semicircular instrument used in mathematics You use a protractor to measure angles. proudly (adverb) 'prowd-lē with a feeling of pride My mom smiled proudly when she saw my grades. 345 DICTIONARY precipitation proudly
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