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 ?
Daisyfield Seani, undeniably well drawn outside slow-starting Fabulous Sophie, nevertheless looks dreadfully priced at 2-1 and would be the first scrubbed off my list, simply on grounds of value.
This week's winner is Irene Harrow, of Chesterfield, Derbys, who says: "Don't store potatoes until you have scrubbed off the soil or they'll soon go soft.
What about the prehistoric cave paintings and drawings, does he think that they should be scrubbed off just because they are old and crude?
There is no question of any player being scrubbed off the list for the next two years because they choose not to go to India, " he stressed.
We'd just scrubbed off the rubbish from the first set of tyres and were ready to put in a really fast time on the new set when I went off.
But the group have been scrubbed off the schedule for this year's Gibson Street Gala in June.
GRAFFITI which turned a park building into an eyesore has been scrubbed off in the latest phase of a war on vandals.
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.
She pushed her blonde hair back beneath her huge hat and scrubbed off all her make-up to show off her natural healthy good looks.
I scrubbed off some speed and toppled over the guy in front and on to his bike.
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.