dummy number meaning, dummy number definition | English Cobuild dictionary

Collins

dummy

  

      n   pl   , -mies  
1    a figure representing the human form, used for displaying clothes, in a ventriloquist's act, as a target, etc.  
2   
a    a copy or imitation of an object, often lacking some essential feature of the original  
b    (as modifier)  
a dummy drawer     
3    Slang   a stupid person; fool  
4    Derogatory, slang   a person without the power of speech; mute  
5    Informal   a person who says or does nothing  
6   
a    a person who appears to act for himself while acting on behalf of another  
b    (as modifier)  
a dummy buyer     
7      (Military)   a weighted round without explosives, used in drill and training  
8      (Bridge)  
a    the hand exposed on the table by the declarer's partner and played by the declarer  
b    the declarer's partner  
9   
a    a prototype of a proposed book, indicating the general appearance and dimensions of the finished product  
b    a designer's layout of a page indicating the positions for illustrations, etc.  
10    a feigned pass or move in a sport such as football or rugby  
11      (Brit)   a rubber teat for babies to suck or bite on,   (U.S. and Canadian equivalent)    pacifier  
12    modifier   counterfeit; sham  
13    modifier   (of a card game) played with one hand exposed or unplayed  
      vb   , -mies, -mying, -mied  
14    to prepare a dummy of (a proposed book, page, etc.)  
15      (Also)    sell (someone) a dummy     (Sport)   to use a dummy pass in order to trick (an opponent)  
     (C16: see dumb, -y3)  


dummy head  
      n   a model of the human head with a microphone in each ear intended to receive sound in binaural and surround sound reproduction and transmission  
dummy load  
      n   a resistive component that absorbs all the output power of an electrical generator or radio transmitter in order to simulate working conditions for test purposes  
dummy run  
      n   a practice or rehearsal; trial run  
dummy variable  
      n   a variable or constant appearing in a mathematical expression that can be replaced by any arbitrary variable or constant, not occurring in the expression, without affecting the value of the whole  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
n.
watch a great number of episodes from the same television series in a row
portmanteau word: binge (excessive consumption of something) + watching
n.
A directory is a book which gives lists of facts, for example people's names, addresses, and telephone numbers, or the names and addresses of business companies, usually arranged in alphabetical order.

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"