1. environmental condition the state of the environment
  2. experimental condition the procedure that is varied in order to estimate a variable's effect by comparison with a control condition
  3. environmental science the branch of biology concerned with the relations between organisms and their environment
  4. instrumental conditioning operant conditioning that pairs a response with a reinforcement in discrete trials; reinforcement occurs only after the response is given
  5. Environmental Protection Agency an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
  6. environmentalist someone who works to protect nature from destruction
  7. environment the totality of surrounding conditions
  8. environmentalism the philosophical doctrine that environment is more important than heredity in determining intellectual growth
  9. nongovernmental organization an organization that is not part of the local or state or federal government
  10. mental condition (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
  11. environmental of or relating to the external conditions or surroundings
  12. environmentally for the environment
  13. financial condition the condition of (corporate or personal) finances
  14. meteorological conditions the prevailing environmental conditions as they influence the prediction of weather
  15. essential condition a prerequisite
  16. interlingual rendition a written communication in a second language having the same meaning as the written communication in a first language
  17. incremental cost the increase or decrease in costs as a result of one more or one less unit of output
  18. sacramental manduction the act of participating in the celebration of the Eucharist
  19. control condition a standard against which other conditions can be compared in a scientific experiment
  20. economic condition the condition of the economy