Pronunciation: /ˈskramblɪŋ/
noun
[mass noun]-
1the action of scrambling up or over rough or steep ground, especially as a leisure activity: the final push for the summit involved some exhilarating scrambling
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British the sport of racing motorcycles over rough and hilly ground: he started racing in motorcycle scrambling at the age of ten
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2the alteration of the speech frequency of a telephone conversation or broadcast transmission so as to make it unintelligible without a decoding device: [as modifier]: he activated the aircraft’s radar scrambling unit