number 2 pencil
podstatné jméno
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(US) A pencil which produces a specific shade of dark gray. One can usually identify a number 2 pencil by looking for the number "2" conspicuously emblazoned on the pencil. Often required for test-taking and the completion of official forms.
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(US) A standard, ordinary pencil; one which is not colored or mechanical or in any other way unusual.