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.
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Scrub away any tough buildup with an old toothbrush (Photo 2) and rinse each part thoroughly.
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THE first step would be to cleanse, rub and scrub away the overindulgence of the previous months.
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Cleaners abseiled down the four faces of the Palace of Westminster's Big Ben clock to scrub away six years of dirt.
Toscano further explained, "The patented ScrubPower technology is designed to scrub away virtually all airborne pollutants to well below the allowable emission standards of most countries, while also generating valuable electricity.
99 at Boots, will scrub away dead skin cells, leaving your body silky smooth.
Another adolescent was found desperately trying to scrub away the brown colour of her skin.
The Wash Off Cleansing Gel, Freshen Up Toner and Control It Moisturiser are for daily use and Scrub Away Exfoliating Scrub is for a twice weekly polish (pounds 4.
SCRUB AWAY Harvest the sea's natural benefits into your beauty routine with a mineral-rich salt scrub.
It won't look great and you may have to occasionally scrub away mold, but at least you'll minimize the problem.