1. Eleotridae sleepers
  2. Ultrasuede a synthetic suede cloth
  3. electricity a physical phenomenon that can produce light, heat and power
  4. welfare state a government that undertakes responsibility for the welfare of its citizens through programs in public health and public housing and pensions and unemployment compensation etc.
  5. Elateridae click beetles and certain fireflies
  6. altricial naked and blind and dependent on parents for food
  7. elucidate make clear and comprehensible
  8. ill-treated subjected to cruel treatment
  9. altruistic showing unselfish concern for the welfare of others
  10. interstate involving and relating to the mutual relations of states especially of the United States
  11. intrastate relating to or existing within the boundaries of a state
  12. ultrasound using high-frequency sound waves to construct a sonogram
  13. electrostatic concerned with or producing or caused by static electricity
  14. Callithricidae marmosets
  15. Aletris aurea colicroot with yellow-bracted racemose flowers
  16. altruist someone who makes charitable donations intended to increase human well-being
  17. Ostraciidae boxfishes
  18. electric outlet receptacle providing a place in a wiring system where current can be taken to run electrical devices
  19. altercate have a disagreement over something
  20. interested showing curiosity or fascination or concern

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.