1. imperialism a policy of extending your rule over foreign countries
  2. ampere-second a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
  3. imperative requiring attention or action
  4. memberless of a group or set having no members
  5. umbrella sedge African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves
  6. Temperate Zone the part of the Earth's surface between the Arctic Circle and the Tropic of Cancer or between the Antarctic Circle and the Tropic of Capricorn; characterized by temperate climate
  7. memorialization a ceremony to honor the memory of someone or something
  8. impersonal not relating to or responsive to individuals
  9. memorialisation a ceremony to honor the memory of someone or something
  10. temporal vein any of several veins draining the temporal region
  11. properly speaking in actual fact
  12. temporal lobe that part of the cerebral cortex in either hemisphere of the brain lying inside the temples of the head
  13. membership the state of being one of the persons in a social group
  14. temporal muscle muscle extending from the temporal fossa to the coronoid process of the mandible; acts to raise the mandible and close the jaws
  15. temporal bone a thick bone forming the side of the human cranium and encasing the inner ear
  16. pearlescent having a play of lustrous rainbow colors
  17. temporal gyrus any of the convolutions of the outer surface of the temporal lobe of the cerebrum
  18. umbrella magnolia small deciduous tree of eastern North America having creamy white flowers and large leaves in formations like umbrellas at the ends of branches
  19. ampersand a punctuation mark (&) that represents the conjunction "and"
  20. membrane bone any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull