1. Eacles imperialis large American moth having yellow wings with purplish or brownish markings; larvae feed on e.g. maple and pine trees
  2. plasma protein any of the proteins in blood plasma
  3. Pinus cembroides a small two-needled or three-needled pinon of Mexico and southern Texas
  4. impervious not admitting of passage or capable of being affected
  5. Buxus sempervirens large slow-growing evergreen shrub or small tree with multiple stems; extensively used for hedges or borders and topiary figures
  6. Phallus impudicus a common fungus formerly used in preparing a salve for rheumatism
  7. improvise manage in a makeshift way; do with whatever is at hand
  8. compromise an accommodation in which both sides make concessions
  9. puzzle over try to solve
  10. Luvarus imperialis large silvery fish found worldwide in warm seas but nowhere common; resembles a whale and feeds on plankton
  11. Bacillus anthracis a species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon
  12. superficial of, affecting, or being on or near the surface
  13. Bacillus subtilis a species of bacillus found in soil and decomposing organic matter; some strains produce antibiotics
  14. William Burroughs United States writer noted for his works portraying the life of drug addicts (1914-1997)
  15. Bacillariophyceae marine and freshwater eukaryotic algae: diatoms
  16. Epacris impressa spindly upright shrub of southern Australia and Tasmania having white to rose or purple-red flowers
  17. bella sombra fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves
  18. William S. Burroughs United States writer noted for his works portraying the life of drug addicts (1914-1997)
  19. visually impaired having greatly reduced vision
  20. Lonicera sempervirens evergreen North American honeysuckle vine having coral-red or orange flowers