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subbase

[ suhb-beys ]
/ ˈsʌbˌbeɪs /
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noun
Architecture. the lowest part of a base, as of a column, that consists of two or more horizontal members.
Mathematics. a collection of subsets of a topological space having the property that every open set of a given topology can be written as the union of intersections of finite numbers of sets in the collection.Compare base1 (def. 14b).
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Origin of subbase

First recorded in 1820–30; sub- + base1

OTHER WORDS FROM subbase

sub·ba·sal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for subbase

subbase
/ (ˈsʌbˌbeɪs) /

noun
the lowest part of a pedestal, base, or skirtingCompare surbase
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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