blocking

Definitions

Construction

  • Small pieces of wood used to secure, join, or reinforce members, or to fill spaces between members.
  • Small wood blocks used forshimming.
  • A method of bonding two parallel or intersecting walls built at different times by means of offsets whose vertical dimensions are not less than 8" (20 centimeters).
  • The sticking together of two painted surfaces when pressed together.
  • An undesired adhesion between touching layers of material, such as occurs during storage.
  • A situation in which all possible paths between two lines in a telephone network are in use, thereby preventing the lines from being interconnected.

Electronics

  • The forming of a block.
  • The stopping or impeding of passage or movement. For instance, to block a current flow.
  • The use of an unwanted signal to overload a receiver, so that the automatic gain control reduces the response to the desired signal.
  • The inability of a telecommunications system to connect calls, usually due to the available resources being completely occupied.
  • The preventing of viewing TV programming deemed inappropriate, undesirable, or in another way unwanted. For instance, a V-chip may be programmed to perform this function.

Health Economics

  • (written as Blocking)
    This is a procedure in trials in which subjects are grouped into 'blocks' having the same number of experimental and control subjects and blocks are then selected at random. It is a useful method when the numbers of participants in a trial are small. In a large trial simple randomization will tend to give a balanced number of patients in each arm but in small studies the numbers may not be so well balanced. In such trials, blocked randomization may be used. The order of treatments within the block is randomly permuted.
  • synonymBlocked Randomization

Medical

  • noun a psychiatric disorder, in which someone suddenly stops one train of thought and switches to another

Publishing

  • noun the process of stamping a design on the cover of a book, using gold leaf, foil or ink

Theater

  • A stage in the rehearsal process during which actors are positionedon the set and their movements are plotted, with special attentionto sightline problems. Each movement is noted in the promptbook with a number in the 'move column' and the same number nextto the word in the script when the move occurs. During blocking sessions,the floor is marked out to indicate the size of the stage and theposition of furniture, doors, windows, etc. Blocking is done withactors reading from the script.
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