1. reticular formation a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone
  2. reaction formation (psychiatry) a defense mechanism in which a person unconsciously develops attitudes and behavior that are the opposite of unacceptable repressed desires and impulses and serve to conceal them
  3. transformation the act of changing in form or shape or appearance
  4. ventricular fibrillation fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest
  5. calque formation an expression introduced into one language by translating it from another language
  6. reticulation an arrangement resembling a net or network
  7. theory of preformation a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
  8. particular proposition (logic) a proposition that asserts something about some (but not all) members of a class
  9. reformation improvement in the condition of institutions or practices
  10. reclamation rescuing from error and returning to a rightful course
  11. particularization an individualized description of a particular instance
  12. military formation a formation of troops
  13. reaffirmation renewed affirmation
  14. particularisation an individualized description of a particular instance
  15. Protestant Reformation a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches
  16. self-reformation the act of improving yourself
  17. regularization the act of bringing to uniformity; making regular
  18. declaration a statement that is emphatic and explicit
  19. clarification the act of removing solid particles from a liquid
  20. Reformation a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches