tap / space
Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
The noun is derived from stock (“supply of anything ready for use”) + pile (“mass of things heaped together”). The verb is derived from the noun.
reserve, backlog
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tap / space
Classic usage
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Verbault — Brown corpus levels, WordNet definitions, Gutenberg corpus.
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