unstable


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unstable

1. (of a chemical compound) readily decomposing
2. Physics
a. (of an elementary particle) having a very short lifetime
b. spontaneously decomposing by nuclear decay; radioactive
3. Electronics (of an electrical circuit, mechanical body, etc.) having a tendency to self-oscillation

unstable

[¦ən′stā·bəl]
(physics)
Capable of undergoing spontaneous change, as in a radioactive nuclide or an excited nuclear system.
References in periodicals archive ?
In contrast, hypertension was associated with a 14% increased risk of rehospitalization for unstable angina but no significantly increased risk of rehospitalization for MI.
In contrast, hypertension was associated with a 14% increased risk of rehospitallzation for unstable angina but no significantly increased risk of rehospitalization for MI.
Cliffs reinforcement - stabilization of slopes and unstable slopes - departmental roads.
Our men on the ground reported that several areas on the route of the procession already experienced unstable signal.
Abu Dhabi: Unstable weather conditions are to continue on Monday affecting most parts of the country, with convective clouds accompanied by occasional heavy rain and lightning expected.
The Kingdom will remain under the impact of the unstable weather conditions on Friday, expected to lower temperatures and bring heavy rain in most parts of the country, the JMD explained.
On Thursday evening, a group of walkers brought it to out attention that there was a section of cliff edge that appeared unstable.
Decreased executive function impacts how efficiently you integrate walking and planning your next movement, which may, in turn, lead to unstable or slow walking.
He explained that low air pressure coming from the Mediterranean towards the northern regions of the Arabian Peninsula will cause unstable weather in the region.
To compare serum ferritin levels in cases of unstable angina with those of AMI (NSTEMI & STEMI) and healthy controls.
Unstable shoes incorporate a rounded sole to increase anterior-posterior instability Masai Barefoot Technology (MBT) has been advocating their use since the 1990s to reduce low back pain.