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barnacle

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barnacle

any of various marine crustaceans of the subclass Cirripedia that, as adults, live attached to rocks, ship bottoms, etc. They have feathery food-catching cirri protruding from a hard shell
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

barnacle

[′bär·nə·kəl]
(engineering)
A nodelike deposit that occurs on the surface of a heat exchanger tube or an evaporating device and has a semigranular outer shell bonded to the fouled surface, enclosing a slurry of putrefying organisms.
(invertebrate zoology)
The common name for a number of species of crustaceans which compose the subclass Cirripedia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

PUP

(Potentially Unwanted Program) An application that is installed along with the desired application the user actually asked for. Also called a "barnacle," in most cases, the PUP is spyware, adware or some other unwanted software. However, what makes spyware or adware a PUP rather than pure malware is the fact that the end user license agreement (EULA) does inform the user that this additional program is being installed. Considering hardly anyone ever reads the license agreement, the distinction is a subtle one. See spyware, adware and malware.
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References in periodicals archive
Bird manipulation experiments resulted in significant impacts on goose barnacles at Tatoosh (Wootton 1993b), goose barnacles at Shi-shi Beach (Wootton 1990), limpets at Tatoosh (Wootton 1992), and purple sea urchins at Tatoosh (Wootton 1995).
In particular, my calculations predicted that bird predators reduce populations of goose barnacles, limpets, and sea urchins.
Estimates and tests of per capita interaction strength: diet, abundance, and impact of intertidally foraging birds
"They were probably the biggest specimens of free-floating goose barnacles I've seen.
Tentacled sea monster or Doctor Who alien? No, it's just goose barnacles; Holidaymakers given a shock as oceanic life form arrives in Wales
Goose barnacles clinging to a buoy on Llanddwyn beach on Anglesey www.instagram.com/glynsgallery/
RARE VISITORS TO N.WALES BEACHES
She believes the deaths and the arrival of "weird" sea creatures such as the Portuguese Man o' War and the goose barnacles could be linked to stormy weather at sea.
Is the erratic jet stream behind odd happenings on Welsh coastline? Scientist asks for public's help
It really does come into its own when it sits alongside a platter of fresh prawns, the local goose barnacles, spider crab, lobster, mussels, clams and oysters.
wine notes
Prawns, mussels, scallops, oysters, crab, shrimps, lobster, winkles, and goose barnacles are favourites of the area.
wine notes; food & drink
The goose barnacles of the genus Octolasmis that are under study here are members of the Lepadomorpha (Zevina, 1982), and they differ from other barnacles in several important ways.
Patterns of distribution of two barnacle species on the mangrove crab, Scylla serrata
Ms Tuson said: ``It is very unusual for Goose Barnacles to drift this far north, although there have been reports of some being found on driftwood on the Devon and Cornwall coastline in recent years, but there are no records of any drifting north to Wales.''
Barnacles with a touch of the exotic
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