Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics  addition 
- noun mathematics  positiveness 
- noun genetics  wild type 
- noun mathematics  from the positive side
- noun mathematics disjoint union
- noun   check 
- noun   A placeholder standing for the international call prefix in phone numbers.
- noun   North .
- conjunction computing  When placed between key names, indicates that they should be pressed simultaneously.
- conjunction informal  and 
Etymologies
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Examples
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								If we assume that a certain quantity of motion v is expended in the conversion of a rubbing substance m into n, we must then have m + v-n, and n = m + v; and when n is reconverted into m, v must appear again in some form or other. A History of Science: in Five Volumes. Volume III: Modern development of the physical sciences 1904 
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