more unsubtractive

sub·trac·tive

[suhb-trak-tiv]
adjective
1.
tending to subtract; having power to subtract.
2.
Mathematics. (of a quantity) that is to be subtracted; having the minus sign (−).

Origin:
1680–90; subtract + -ive

non·sub·trac·tive, adjective
non·sub·trac·tive·ly, adverb
un·sub·trac·tive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
subtractive (səbˈtræktɪv) [Click for IPA pronunciation guide]
 
adj
1.  able or tending to remove or subtract
2.  indicating or requiring subtraction; having a minus sign: --x is a subtractive quantity

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
More unsubtractive is always a great word to know.
So is gobo. Does it mean:
a fool or simpleton; ninny.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
American Heritage
Science Dictionary
subtractive   (səb-trāk'tĭv)  Pronunciation Key 
  1. Relating to the production of color by the blocking or removal of varying wavelengths, as with colored filters, or by the mixing of pigments that absorb certain wavelengths and reflect others. ◇ The subtractive primaries cyan, magenta, and yellow are those colors whose wavelengths can be filtered or absorbed in different proportions to produce all other colors. Compare additive. See Note at color.

  2. Marked by or involving subtraction.


The American Heritage® Science Dictionary
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