Galton whistle

(redirected from Dog whistle)
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Gal·ton whis·tle

(gahl'tŏn),
a cylindrical whistle, attached to a compressible bulb, with a screw attachment that changes the frequency; used before audiometers to test the hearing.

Gal·ton whis·tle

(gawl'tŏn wis'ĕl)
A cylindric whistle, attached to a compressible bulb, with a screw attachment that changes the frequency; used to test hearing.

Galton whistle

(galt′ŏn)
[Sir Francis Galton, Brit. scientist, 1822–1911]
A whistle used to test hearing.

Galton,

Sir Francis, English explorer and anthropologist, 1822-1911.
Galton delta - a more or less well-marked triangle in a fingerprint; in dermatoglyphics, the figure at the base of each finger in the palm.Synonym(s): triradius
Galton law of regression - average parents tend to produce average offspring, but children of extreme parents inherit parental peculiarities to a lesser degree than they appear in the parentsSynonym(s): law of regression of mean
Galton system of classification of fingerprints - a system of classification based on the variations in the patterns of the ridges, which are grouped into arches, loops, and whorls.
Galton whistle - a cylindrical whistle attached to a compressible bulb used to test hearing.
References in periodicals archive ?
Ian Haney Lopez's new book, Dog Whistle Politics: How Coded Racial Appeals Have Reinvented Racism and Wrecked the Middle Class, has a provocative thesis.
Human voice can vary depending on their emotions and is not so useful in dog training, while on the other hand a dog whistle sound is always constant.
When everyone can hear it, you've transitioned from a dog whistle to a straightup whistle.
Which, by the way, actually exists along with a dog whistle app and a Swiss army knife app.
The advert, to be aired for the first time in Austria this week, uses a high-pitched sound, like a dog whistle, that is beyond the range of human hearing.
It's an unashamed rock-out, with Steve Wickham's electric violin spiralling ever upwards to dog whistle heights.
She answers to a dog whistle, which we blame on Mike's Dad.
Critics of the system include Shami Chakrabarti, director of human rights group Liberty, who said: "These untested, unregulated devices are at best a dog whistle and at worst a sonic weapon directed against children and young people.
Departing from the tactics of dog whistle racism in his dealings in Aboriginal affairs, Howard was now exploiting the very same issue, not for division this time, but for harmony in a more mature Australia.
We were just about to go into the usual repertoire of "clock to map to ground" when a black cloud of grackles, numbering way more than Alfred Hitchcock's wildest fantasies, "warped" by our giant dog whistle.
If you buy a dog whistle, how do you know it works?