re·flec·tom·e·ter 
(rē′flĕk-tŏmĭ-tər)
(rē′flĕk-tŏmĭ-tər)n.
An instrument for measuring the reflectance of a surface.
- streptonigrin
- streptothricin
- streptozocin
- streptozotocin
- Stresemann
- stress
- stressed-out
- stress fracture
- stressful
- stressfully
- stressfulness
- stress incontinence
- stressless
- stressor
- stress test
- stress urinary incontinence
- stretch
- stretchability
- stretchable
- stretch a point
- stretcher
- stretcher-bearer
- stretch legs
- stretch mark
- stretch (one's) legs