fragmentation

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Related to sleep fragmentation: polysomnography, polysomnogram

frag·men·ta·tion

 (frăg′mən-tā′shən, -mĕn-)
n.
1. The act or process of breaking into fragments.
2. The scattering of the fragments of an exploding bomb or other projectile.
3. Computers The scattering of parts of a file or files throughout a storage device, as when the operating system breaks up the file and fits it into the spaces left vacant by previously deleted files.

fragmentation

(ˌfræɡmɛnˈteɪʃən)
n
1. the act of fragmenting or the state of being fragmented
2. (Sociology) the disintegration of norms regulating behaviour, thought, and social relationships
3. (Military) the steel particles of an exploded projectile
4. (Military) (modifier) of or relating to a weapon designed to explode into many small pieces, esp as an antipersonnel weapon: a fragmentation bomb.

frag•men•ta•tion

(ˌfræg mənˈteɪ ʃən)

n.
1. the act or process of fragmenting or the state of being fragmented.
adj.
2. of or designating an explosive device designed to scatter small metal fragments on detonation: a fragmentation grenade.
[1880–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fragmentation - separating something into fine particles
division - the act or process of dividing
2.fragmentation - the disintegration of social norms governing behavior and thought and social relationships
disintegration, decomposition - in a decomposed state
3.fragmentation - (computer science) the condition of a file that is broken up and stored in many different locations on a magnetic disk; "fragmentation slows system performance because it takes extra time to locate and assemble the parts of the fragmented file"
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
storage - (computer science) the process of storing information in a computer memory or on a magnetic tape or disk
4.fragmentation - the scattering of bomb fragments after the bomb explodes
blowup, detonation, explosion - a violent release of energy caused by a chemical or nuclear reaction
Translations
fragmentacija

fragmentation

[ˌfrægmenˈteɪʃən]
A. Nfragmentación f
B. CPD fragmentation grenade Ngranada f de fragmentación

fragmentation

n (of rock, glass)Zerbrechen nt; (fig)Fragmentierung f; (of society)Zerfall m; (of hopes)Zerschlagung f

fragmentation

[ˌfrægmɛnˈteɪʃən] nframmentazione f
References in periodicals archive ?
Senior Helpers discovered a large majority of seniors experience sleep fragmentation, with 88 percent waking up at least once per night, while other seniors wake up three times or more per night.
In later years, there are decreases in total sleep time, increases in sleep fragmentation and decreases in deep sleep, he said.
Interrupted sleep, also known as sleep fragmentation, was associated with a slightly elevated risk of developing kidney failure.
Clinical effects of sleep fragmentation versus sleep deprivation.
The severity of OSA-related intermittent hypoxia may be more important than sleep fragmentation in the development of atrial fibrillation.
SDB is associated with hypoxemia, sleep fragmentation, and cerebral vascular disease, which may directly affect brain function, and adversely affect cognition, as well as may indirectly lead to cognitive impairment via impairments in attention and executive function due to sleepiness.
Alcohol in the earlier part of the evening can promote sleepiness, but in the later part it can disrupt sleep and cause sleep fragmentation," Dr.
Upper airway obstruction caused by habitual snoring could lead to intermittent hypoxia and sleep fragmentation, which may activate the sympathetic nervous and hypothalamic-pituitary-adrenal axis and increase the catecholamine and cortisol levels respectively, finally resulting in insulin sensitivity and glucose tolerance.
due to rotating shift work) and sleep fragmentation are associated with an increased risk of stroke.
Decreased insulin sensitivity, which is independent of adiposity, has been found to be associated with sleep-disordered breathing, sleep fragmentation, and intermittent hypoxemia in obese adolescents.
The 'snapping of the brain, a novel remark for the phenomenon called exploding head syndrome (EHS), is clinically appreciated as a very unusual and benign sensory parasomnia of diverse symptoms, which predominantly includes momentary loud noises of sudden onset that often results in sleep disturbance, sleep fragmentation, and insomnia.
In a small study of 29 healthy premenopausal women, they tracked mood, hormone levels, and sleep fragmentation both before and after suppressing ovarian function with a gonadotropin-releasing hormone agonist.