scrub

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scrub

1. 
a. vegetation consisting of stunted trees, bushes, and other plants growing in an arid area
b. (as modifier): scrub vegetation
2. an area of arid land covered with such vegetation
3. 
a. an animal of inferior breeding or condition
b. (as modifier): a scrub bull

Scrub

 

thickets of xerophytic, mainly evergreen shrubs found in arid regions of Australia. The shrubs reach a height of 2 m. Prevailing species are scrub eucalyptus, acacia, casuarina, and stunted shrubs of the families Fabaceae and Myrtaceae. The vegetation is characterized by xerophytic structure. The stiff foliage is generally gray-green with a waxy bloom; often there are phyllodes or thorns instead of leaves. The herbaceous covering is poorly developed, consisting of tufted grasses, annual strawflowers, saltworts, and some succulents.

In the most arid regions scrub eucalyptus is common (malee scrub). Regions having an annual precipitation of 150–250 mm are marked by a predominance of various acacia species (mulga scrub). In the tropical and somewhat more humid zone, brigalow acacia predominates, and sometimes eucalyptus and bottle trees are encountered (brigalow scrub).

Scrublands are also found in Africa.

scrub

[skrəb]
(aerospace engineering)
To cancel a scheduled firing, either before or during countdown.
(agriculture)
An inferior animal of nondescript breeding.
(computer science)
To examine a large amount of data and eliminate duplicate or unneeded items.
(ecology)
A tract of land covered with a generally thick growth of dwarf or stunted trees and shrubs and a poor soil.

scrub

The term has various meanings depending on context, but typically deals with erasing or cleaning up data. See data scrubbing, memory scrubbing and audio scrubbing.
References in periodicals archive ?
But the Argentines should be scrubbed off your shortlist, which should just leave you a list with one name on it - Brazil.
However, I amoffended by the way he compares such things as flies and spiders unknowingly squashed every day and also bacteria scrubbed off our hands to the pain and suffering that animals killed for their fur have to go through.
To prevent her skin cracking and infection setting in, she must have the top layers scrubbed off every three hours, and a special cream applied.
The Rams are still available at 7-4 with Coral and Stanley, but Sunday morning quotes of 9-4 and better were rapidly scrubbed off the boards after their latest win.
CELTIC were scrubbed off the European map last night despite holding Italian giants AC Milan.
The Leeds University graduate was adamant that Niurka Montalvo's winning jump should have been scrubbed off because it was felt that the Cuban had made a mark on the runway plasticine while going for broke.
Transfers look like the real thing, but can be scrubbed off when you get sick of them.
I think it's safe to say that Andy D'Urso has been scrubbed off our list of people to send Christmas cards to," joked Sporting's David Garbacz.
John Dunlop's first-timers are usually a bit wet behind the ears, so it was no surprise to see Elusive Pimpernel's ears being scrubbed off by Eddie Ahern with half a mile of a seven-furlong maiden still to run.
Chandler, who I see have scrubbed off 5-6 each of two following my recent criticism and are back to 9-10, put Singh against Carlos Franco, and though the Paraguayan star has yet to touch the heights of last year, he has posted high finishes in the Mercedes and Honda - and he did finish sixth on his Masters bow 12 months ago, a position Singh would love to emulate.
As make-up is scrubbed off and piercings removed it will be interesting to see how far Gok is prepared to go.