80%
/ˈeɪti pəˈsent/
OTHER
Eighty percent; a proportion equal to 80 out of 100 total parts
Around 80% of Earth's surface is covered by ocean water.
Around 80% of Earth's surface is covered by ocean water.
Etymology
The percent symbol % evolved from a 15th-century Italian abbreviation for 'per cento' (per hundred), with the numeral 80 being a base-10 number originating from ancient Indo-Arabic counting systems.
Memory Aid
Remember that 80% is 4 out of every 5 whole parts, or 80 of 100 equal pieces.
Collocations
80% confidence interval80% completion80% threshold80% accuracy
Synonyms
four fifthsfour-fifthseighty percent
Antonyms
20%one fifthtwenty percent
Related Words
percentageproportionfractionpercentpercentage point
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