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Meaning of “base” - Learner’s Dictionary

base

noun [C]     /beɪs/
BOTTOM
B2 the bottom part of something, or the part something rests on: It's quite easy to fasten the monitor onto the base. I felt a sharp pain at the base of my thumb.Under and below
MAIN PART
the most important part of something, from which other things can develop: a solid economic baseImportant and essential thingsInformation and messagesBeing based on or depending on something
PLACE
B2 the main place where a person lives or works, or from where they do things: The hotel is a good base for a holiday.Places and locationsUnpleasant places
ARMY
B2 a place where people in the army or navy live and work: an American Air Force basePlaces involved in military activityThe armed forces generally
ORGANIZATION
the place where the main work of an organization is done: The company's European base is in Frankfurt.Businesses and enterprises
SUBSTANCE
the main substance in a mixture: paints with an oil baseImportant and essential thingsInformation and messages
BASEBALL
one of the four places in baseball that a player must run to in order to win a pointBaseball and roundersGeneral terms used in ball sports
CHEMISTRY
a chemical substance with a pH (= measure of how acid something is) of more than 7Types of chemicalSpecific chemicals, chemical compounds and gasesSubstances and structures in the body
MATHS
a number that is used as the most important unit in a system of counting: The binary system of counting uses base 2.Numbers generally
(Definition of base noun from the Cambridge Learner’s Dictionary © Cambridge University Press)
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