1. stretch receptor a receptor in a muscle that responds to stretching of the muscle tissue
  2. American raspberry red raspberry of North America
  3. white prairie aster perennial of western North America having white flowers
  4. Ottorino Respighi Italian composer remembered for his symphonic poems
  5. radio receiver an electronic receiver that detects and demodulates and amplifies transmitted signals
  6. arthrospore a body that resembles a spore but is not an endospore
  7. Edgar Rice Burroughs United States novelist and author of the Tarzan stories
  8. porter's beer a very dark sweet ale brewed from roasted unmalted barley
  9. Citroncirus webberi more aromatic and acidic than oranges
  10. water sapphire a deep blue cordierite often used as a gemstone
  11. Oder River a European river; flows into the Baltic Sea
  12. European raspberry the common European raspberry; fruit red or orange
  13. heterodyne receiver a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified
  14. thermoreceptor a sensory receptor that responds to heat and cold
  15. Niobrara River a tributary of the Missouri River
  16. flowering raspberry shrubby raspberry of eastern North America having showy rose to purplish flowers and red or orange thimble-shaped fruit
  17. sensory receptor an organ having nerve endings that respond to stimulation
  18. Gerhard Herzberg Canadian physicist (born in Germany) noted for contributions to understanding the structure of molecules (born in 1904)
  19. order Rosales in some classifications this category does not include Leguminosae
  20. alder-leaved serviceberry shrub or small tree of northwestern North America having fragrant creamy white flowers and small waxy purple-red fruits