1.  disjunction(n = noun.state) disconnectedness, disconnection, disjuncture - state of being disconnected;
is a kind of separation
has particulars: separability, incoherence, incoherency
Derived form verb disjoin₂

2.  disjunction(n = noun.act) disconnection - the act of breaking a connection;
is a kind of separation
Derived form verb disjoin₁

disjunction, n.
1 the process of disjoining; separation.
2 an instance of this.

Etymology:
ME f. OF disjunction or L disjunctio (as DISJOIN)

N  disjunction, disconnection, disunity, disunion, disassociation, disengagement, discontinuity, abjunction, cataclasm, inconnection, abstraction, abstractedness, isolation, insularity, insulation, oasis, island, separateness, severalty, disjecta membra, dispersion, apportionment, separation, parting, circumcision, detachment, segregation, divorce, sejunction, seposition, diduction, diremption, discerption, elision, caesura, break, fracture, division, subdivision, rupture, compartition, dismemberment, dislocation, luxation, severance, disseverance, scission, rescission, abscission, laceration, dilaceration, disruption, abruption, avulsion, divulsion, section, resection, cleavage, fission, partibility, separability, fissure, breach, rent, split, rift, crack, slit, incision, dissection anatomy, decomposition, cutting instrument, buzzsaw, circular saw, rip saw, separatist, disjoined, discontinuous, multipartite, abstract, disjunctive, secant, isolated, insular, separate, disparate, discrete, apart, asunder, far between, loose, free, unattached, unannexed, unassociated, unconnected, distinct, adrift, straggling, rift, reft, scissile, divisible, discerptible, partible, separable, separately, one by one, severally, apart, adrift, asunder, in twain, in the abstract, abstractedly.

N  incoherence, nonadhesion, immiscibility, incoherence, looseness, laxity, relaxation, loosening, freedom, disjunction, rope of sand, nonadhesive, immiscible, incoherent, detached, loose, baggy, slack, lax, relaxed, flapping, streaming, disheveled, segregated, like grains of sand unconsolidated &c, uncombined, noncohesive.

N  decomposition, analysis, dissection, resolution, catalysis, dissolution, corruption, dispersion, disjunction, disintegration, decomposed, catalytic, analytical, resolvent, separative, solvent.

N  discontinuity, disjunction, anacoluthon, interruption, break, fracture, flaw, fault, crack, cut, gap, solution of continuity, caesura, broken thread, parenthesis, episode, rhapsody, patchwork, intermission, alternation, dropping fire, discontinuous, unsuccessive, broken, interrupted, dicousu, disconnected, unconnected, discrete, disjunctive, fitful, spasmodic, desultory, intermitting, occasional, intermittent, alternate, recurrent, at intervals, by snatches, by jerks, by skips, by catches, by fits and starts, skippingly, per saltum, longo intervallo, like 'angel visits few and far between'.

N  nonassemblage, dispersion, dispersion, disjunction, divergence, aspersion, scattering, dissemination, diffusion, dissipation, distribution, apportionment, spread, respersion, circumfusion, interspersion, spargefaction, affusion, waifs and estrays, flotsam and jetsam, disjecta membra waveson, unassembled &c (assemble), dispersed, sparse, dispread, broadcast, sporadic, widespread, epidemic, adrift, stray, disheveled, streaming, sparsim, here and there, passim.