pro·fi·cien·cy 
(prə-fĭshən-sē)
(prə-fĭshən-sē)n. pl. pro·fi·cien·cies
The state or quality of being proficient; competence.
- microlithic
- microloan
- micromachine
- micromanage
- micromanipulation
- micromanipulative
- micromanipulator
- micromere
- micrometeorite
- micrometeoroid
- micrometeorological
- micrometeorologist
- micrometeorology
- micrometer
- micrometer
- micrometric
- micrometrical
- micrometrically
- micrometry
- microminiaturization
- microminiaturize
- micromole
- micron
- Micronesia
- Micronesia