earplug


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earplug

[′ir‚pləg]
(engineering)
A device made of a pliable substance which fits into the ear opening; used to protect the ear from excessive noise or from water.
References in periodicals archive ?
Without accounting for this low-frequency sound energy, earplug ratings may be grossly over-stated and misleading when intended for use in musical settings.
Dorothy Brannigan had gone to the shop in February 2011 to buy earplugs for her son, who also has the condition.
Lifetime contaminant and hormonal profiles have been reconstructed for an individual male blue whale (Balaenoptera musculus, Linnaeus 1758) using the earplug as a natural aging matrix that is also capable of archiving and preserving lipophilic compounds.
Independent lab tests, she contends, reveal the Howard Leight FirmFit earplugs are 40 percent softer with 29 percent lower expansion pressure than most leading classic-style alternatives.
I can't tolerate earplugs especially the kind you roll in your fingers.
The audiologist suggested earplugs, which I now wear during the second half of the show, especially during the number when we are smashing metallic trash cans," says Marshall.
Development of the civilian version of the earplug is already under way, and a pilot version will be ready by the end of the year.
Development of improved equipment, such as communications earplugs (a miniature microphone encapsulated by a compressible earplug, which can be inserted into the ear), improves communication and provides for double protection when combined with circum-aural ear muffs.
As shown in the figure, there is a progression of capability, starting from what has been used on the flight deck for decades up through active noise reduction (ANR), deep-insert, custom communication earplugs worn under improved earmuffs and used with a digital noise-canceling microphone.
Retail earplug manufacturer McKeon Products of Warren, MI, invented the silicone earplug in 1962.
Fledgling designers across the UK were asked yesterday to come up with new style earplugs for young people who love music.
Everyone's ears are different," she says, "and one earplug or earmuff style may not be comfortable for the entire workforce.