re·flec·tom·e·ter 
(rē′flĕk-tŏmĭ-tər)
(rē′flĕk-tŏmĭ-tər)n.
An instrument for measuring the reflectance of a surface.
- unconstitutionally
- unconstructed
- uncontaminated
- uncontested
- uncontrollability
- uncontrollable
- uncontrollableness
- uncontrollably
- uncontrolled
- uncontrolledness
- uncontroversial
- uncontroversially
- unconventional
- unconventionality
- unconventionally
- unconvincing
- unconvincingly
- uncooked
- uncool
- uncooperative
- uncooperatively
- uncooperativeness
- uncoordinated
- uncoordinatedly
- uncork