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Definition of: proficiency

(prə·fish′ən·sē) noun plural ·cies
An advanced state of attainment in some knowledge, art, or skill; expertise.

'proficiency' used in domains:

testproficiency.com
putonghuaproficiencytest.com
nevadaproficiencytest.com
proficiencytutoring.com
musicproficiency.com
piqueproficiency.com

Statistical data

"proficiency" has the frequency of use of 0.0002% on city-data.com forum

"proficiency" has the frequency of use of 0.0003% on en.wikipedia.org.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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