(grammar) A tense used to express an ongoing action completed after some time in the future. In English it is formed by use of will have been (or shall have been) and a present participle.

(grammar) A tense that expresses an unbroken action continuing at the present time, started in the past. In English it is formed by using have been with a present participle.

(management) A financial or non-financial metric used to help an organization define and measure progress towards its goals.

comparative form of perfect: more perfect

A person who perfects something

(music) an interval equal to that of between the second and third harmonics of the harmonic series; in equal temperament, an interval of seven semitones spanning five degrees of the diatonic scale. It is enharmonically equivalent to a diminished sixth.

high-pressure liquid chromatography

plural of performance bond

(business) Describing an organization or business strategy that stresses the importance of the performance of its individual employees and of its operating policies and systems

plural of perfecter