Aviation acronym: Health and Usage Monitoring [for Helicopters]
Background noise caused by mains voltage interference.
Hum (Serbian Cyrillic: Хум) is a mountain on the border of Serbia and Montenegro, between towns of Sjenica and Rožaje, on the eastern edge of Pešter plateau. Its highest peak Krstača has an elevation of 1,756 meters above sea level. ...Found on http://en.wikipedia.org/wiki/Hum_(Pešter)
Hum is British and Irish slang for to smell unpleasant.Found on http://www.probertencyclopaedia.com/browse/ZH.HTM
A term used to describe an unwanted induction of mains frequency.
Found on http://www.zoo.co.uk/~z0001325/Glossary.html
- a humming noise 2. [v] - be noisy with activity 3. [v] - sound with a monotonous hum 4. [v] - make a low continuous sound 5. [v] - sing with closed lipsFound on http://www.webdictionary.co.uk/definition.php?query=hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.
Found on http://www.encyclo.co.uk/local/20447
The lowest of the five low partials of a bell.
Found on http://www.hibberts.co.uk/glossary.htm
Signal contamination caused by the addition of low frequencies, usually related to the mains power frequency.Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
Hum intransitive verb
[ imperfect & past participle Hummed
; present participle & verbal noun Humming
.] [ Of imitative origin; confer German hummen
, Dutch hommelen
. √15.] 1.
To make a low, prolonged sound, ...Found on http://www.encyclo.co.uk/webster/H/69
Hum transitive verb 1.
To sing with shut mouth; to murmur without articulation; to mumble; as, to hum
a tune. 2.
To express satisfaction with by humming. 3.
To flatter by approving; to cajole; to impose on; to humbug. [ Colloq. & Low]Found on http://www.encyclo.co.uk/webster/H/69
Hum noun 1.
A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a buzz. « The shard-borne beetle with his drowsy hums
.» Shak. 2.
Any inarticulate and buzzing sound ; as: (a)
The confused noise...Found on http://www.encyclo.co.uk/webster/H/69
[ Confer Hem
.] Ahem; hem; an inarticulate sound uttered in a pause of speech implying doubt and deliberation. Pope. Found on http://www.encyclo.co.uk/webster/H/69
<cardiology, clinical sign> A low continuous murmur. ... Origin: echoic ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
a humming noise; `the hum of distant traffic`Found on https://www.encyclo.co.uk/local/20974
(hum) a low, steady, prolonged sound. venous hum a continuous blowing, singing, or humming murmur heard on auscultation over the right jugular vein in the sitting or erect position; it is an innocent sign that is obliterated on assumption of the recumbent position or on exerting ...Found on http://www.encyclo.co.uk/local/21001
• (v. t.) To flatter by approving; to cajole; to impose on; to humbug. • (v. i.) To express satisfaction by a humming noise. • (v. t.) To express satisfaction with by humming. • (n.) An imposition or hoax. • (n.) A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a bu...Found on http://thinkexist.com/dictionary/meaning/hum/
(from the article `Bosnia and Herzegovina`) ...of the medieval Bosnian state were troubled by civil war, Hungarian interference, and the threat of Turkish invasion. Turkish armies began raiding ...Found on http://www.britannica.com/eb/a-z/h/81
set of unwanted deviations with respect to the average value of the measured or supplied quantity, occurring at frequencies related to that of the mains supply NOTE - Hum is determined under specified conditions and is a part of PARD.Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=312-07-03
unwanted audible modulation arising from the tube voltage suppliesFound on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=531-15-11
noise of low frequency usually caused directly, or indirectly, by an alternating current power supply systemFound on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=702-08-20
voltage at a given output, derived from stray fields in specified conditions, and superimposed on the reproduction of the recorded signalFound on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=806-14-54
Type: Term Pronunciation: hŭm Definitions: 1. A low continuous murmur.Found on http://www.medilexicon.com/medicaldictionary.php?t=41681
A hum is a sound made by humming a wordless tone with the mouth opened or closed, forcing the sound to emerge from the nose. To hum is to produce such a sound, often with a melody. A hum has a particular timbre (or sound quality), usually a monotone or with slightly varying tones. There are other similar sounds not produced by human...Found on http://en.wikipedia.org/wiki/Hum_(sound)
Low frequency tone that is normally a multiple of 50Hz or 60Hz. This is because it is often related to the mains power frequency.Found on http://www.songstuff.com/glossary/H
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