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What (who) is perturb - definition
WIKIMEDIA DISAMBIGUATION PAGE
Perturbations; Perturb; Perturberation; Perturbation (disambiguation); Perturbance
perturb
v. (R) it perturbed me (to learn) that she was late again
perturb
v. a.
1.
Disquiet, trouble, agitate, disturb.
2.
Disorder, confuse.
perturb
(perturbs, perturbing, perturbed)
If something perturbs you, it worries you quite a lot. (FORMAL)
What perturbs me is that magazine articles are so much shorter nowadays.
VERB: V n
see also perturbed
Wikipedia
Perturbation
Perturbation or perturb may refer to:
- Perturbation theory, mathematical methods that give approximate solutions to problems that cannot be solved exactly
- Perturbation (geology), changes in the nature of alluvial deposits over time
- Perturbation (astronomy), alterations to an object's orbit (e.g., caused by gravitational interactions with other bodies)
- Perturbation theory (quantum mechanics), a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one
- Perturbation (biology), an alteration of the function of a biological system, induced by external or internal mechanisms
- Perturbation function, mathematical function which relates the primal and dual problems
Examples of use of perturb
1. Still, there are enough details to win over supporters and perturb opponents.
2. Yet the most authoritative study into the changing seasons may perturb even the most enthusiastic of gardeners.
3. It appears that the two men engaged in lengthy, serious discussions, listened to one another, and are learning to recognize the issues that perturb the other side.
4. Such decisions perturb emergency–response officials, who warn that public–health risks posed by the fetid floodwater may worsen, and that two months of flood conditions may await residents who insist upon staying put.
5. "Because it is very near, the energy released by the quake will accelerate or perturb the activity of the volcano." David Booth, a seismologist with the British Geological Survey, disagrees, saying the quake would not necessarily cause the volcano to erupt.