re·frac·tom·e·ter 
(rē′frăk-tŏmĭ-tər)
(rē′frăk-tŏmĭ-tər)n.
Any of several instruments used to measure the index of refraction of a substance.
- Strauss
- Stravinsky
- straw
- strawberry
- strawberry blond
- strawberry blonde
- strawberry bush
- strawberry mark
- strawberry roan
- strawberry tomato
- strawberry tree
- strawboard
- straw boss
- straw donor
- strawflower
- straw-hat
- straw in the wind
- straw man
- straw mushroom
- straw person
- straw vote
- strawweight
- straw wine
- strawworm
- strawy