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sparse

[spahrs] /spɑrs/
adjective, sparser, sparsest.
1.
thinly scattered or distributed:
a sparse population.
2.
not thick or dense; thin:
sparse hair.
3.
scanty; meager.
Origin of sparse
1715-1725
1715-25; < Latin sparsus, past participle of spargere to scatter, sparge
Related forms
sparsely, adverb
sparseness, sparsity
[spahr-si-tee] /ˈspɑr sɪ ti/ (Show IPA),
noun
unsparse, adjective
unsparsely, adverb
unsparseness, noun
Synonyms
1–3. See scanty.
Antonyms
1–3. abundant.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for sparse

sparse

/spɑːs/
adjective
1.
scattered or scanty; not dense
Derived Forms
sparsely, adverb
sparseness, sparsity, noun
Word Origin
C18: from Latin sparsus, from spargere to scatter
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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Word Origin and History for sparse
adj.

1727, from Latin sparsus "scattered," past participle of spargere "to scatter, spread," from PIE root *(s)pregh- "to jerk, scatter" (cf. Sanskrit parjanya- "rain, rain god," Avestan fra-sparega "branch, twig," literally "that which is jerked off a tree," Old Norse freknur "freckles," Swedish dialectal sprygg "brisk, active," Lithuanian sprogti "shoot, bud," Old Irish arg "a drop").

Online Etymology Dictionary, © 2010 Douglas Harper
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sparse in Technology


A sparse matrix (or vector, or array) is one in which most of the elements are zero. If storage space is more important than access speed, it may be preferable to store a sparse matrix as a list of (index, value) pairs or use some kind of hash scheme or associative memory.
(1995-01-16)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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