unstable

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unstable

(ŭn-stā′bəl)
adj. unsta·bler, unsta·blest
1. Chemistry
a. Decomposing readily.
b. Highly or violently reactive.
2. Physics
a. Decaying with relatively short lifetime. Used of subatomic particles.
b. Radioactive.

un·sta′ble·ness n.
un·sta′bly adv.

unstable

[unstā′bəl]
1 in an excited or active state, such as an atom with a nucleus possessing excess energy.
2 easily broken down or prone to decomposition.

unstable

adjective Referring to the structural or physical lability or instability of a chemical or other substance during production, transportation, or storage. See Unstable reactive substance.

unstable,

adj 1. not firm or fixed in one place; likely to move.
2. capable of undergoing spontaneous change. A nuclide in an unstable state is called
radioactive. An atom in an unstable state is called
excited.
unstable angina
n a form of pain that is prodromal to acute myocardial infarction. It typically has a sudden onset, sudden worsening, and stuttering recurrence over days and weeks. It carries a more severe short-term prognosis than stable chronic angina. Nearly one third of unstable angina patients experience myocardial infarction within 3 months of the first episode.

unstable

having a tendency to disrupt, e.g. unstable chemicals.

unstable fracture
the principal fragments in a reduced fracture are overriding. Slow union or nonunion results.
References in periodicals archive ?
Much value is then unstably created and lost through reversible flows of funds which inflate and deflate asset price bubbles.
Narration alternates precariously and unstably between second and third persons (with a very few first-person chapters).
According to EEG indices of the total power spectra while at rest, the individuals working unstably in the conditions of monotony in practice do not differ from the persons of the previous group.
The account moves from the poet's status as "sordid affront to absolutist ideals of claret" during the Enlightenment, to the unstably valorized "gothic" Shakespeare of the Revolution, to the frisson of his ghostly returns among the French Romantics (Berlioz) and anti-Bourgeois modernists (Hugo), to his role in the psychic negotiation of the postwar era for figures like Gide, Lacan, and Girard, to his outright liberatory potential for Lyotard, Deleuze, Derrida, and Cixous.
Modal agnosticism is a position that seems to be unstably situated between a form of outright modal realism, on the one hand, and a radical and unfeasible form of agnosticism, on the other.
The word "excimer" is a contraction of "excited dimer," a dimer being a diatomic molecule of an inert gas whose halogen atoms are bound in the highly charged (excited) state, temporary and unstably.
is his headstone that marks, however unstably, the ending of Maus).
The two senses of positive law are not co-extensive, he says, but the field's discourse oscillates unstably between them.
That sentence sways unstably, pulled this way and that.
Specifically, deconstruction is aimed at showing in what way a meaning within a systematic or binary structure is unstably inscribed and thus how the meaning under investigation is endlessly evolving.