lu·mi·nance 
(lmə-nəns)
(lmə-nəns)n.
1. The condition or quality of being luminous.
2. Physics The intensity of light per unit area of its source. Also called photometric brightness.
- harmonica
- harmonically
- harmonic analysis
- harmonic mean
- harmonic motion
- harmonic oscillator
- harmonic progression
- harmonic series
- harmonious
- harmoniously
- harmoniousness
- harmonist
- harmonistic
- harmonistically
- harmonium
- harmonization
- harmonize
- harmonizer
- harmony
- harm's way
- harness
- harnesser
- harness race
- harness racing
- Harney Basin