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separable

[sep-er-uh-buh l, sep-ruh-]
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adjective
  1. capable of being separated, parted, or dissociated.
  2. Mathematics.
    1. containing a countable dense subset.
    2. (of a differential equation) capable of being written so that coefficients of the differentials of the independent and dependent variables are, respectively, functions of these variables alone.Compare separation of variables.
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Origin of separable

1350–1400; Middle English (< Middle French) < Latin sēparābilis, equivalent to sēparā(re) to separate + -bilis -ble
Related formssep·a·ra·bil·i·ty, sep·a·ra·ble·ness, nounsep·a·ra·bly, adverbnon·sep·a·ra·bil·i·ty, nounnon·sep·a·ra·ble, adjectivenon·sep·a·ra·ble·ness, nounnon·sep·a·ra·bly, adverbun·sep·a·ra·ble, adjectiveun·sep·a·ra·ble·ness, nounun·sep·a·ra·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for unseparable

separable

adjective
  1. able to be separated, divided, or parted
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Derived Formsseparability or separableness, nounseparably, adverb
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

Word Origin and History for unseparable

adj.

late 14c. from un- (1) "not" + separable. The usual word now is inseparable.

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separable

adj.

late 14c., from Latin separabilis, from separare (see separate (v.)). Related: Separability.

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Online Etymology Dictionary, © 2010 Douglas Harper