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. environmentalist someone who works to protect nature from destruction
  5. instrumental conditioning operant conditioning that pairs a response with a reinforcement in discrete trials; reinforcement occurs only after the response is given
  6. environment the totality of surrounding conditions
  7. nongovernmental organization an organization that is not part of the local or state or federal government
  8. mental condition (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
  9. environmentalism the philosophical doctrine that environment is more important than heredity in determining intellectual growth
  10. Environmental Protection Agency an independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment
  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. essential condition a prerequisite
  15. interlingual rendition a written communication in a second language having the same meaning as the written communication in a first language
  16. incremental cost the increase or decrease in costs as a result of one more or one less unit of output
  17. sacramental manduction the act of participating in the celebration of the Eucharist
  18. control condition a standard against which other conditions can be compared in a scientific experiment
  19. economic condition the condition of the economy
  20. mental confusion a mental state characterized by a lack of clear and orderly thought and behavior