All Words Glossary

Glossary of Affixes Terms
beginning with letter O
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ob- Tweet Definition of ob- Like Definition of ob- on Facebook
prefix 
  1. Against; facing; a combining prefix used with verbs of Latin origin.
  2. (botany) Of a reversed shape.
     
oct- Tweet Definition of oct- Like Definition of oct- on Facebook
prefix 
  1. Form of octa- or octo- used before a vowel.
     
octa- Tweet Definition of octa- Like Definition of octa- on Facebook
prefix or before a vowel oct-
  1. eight
     
octo- Tweet Definition of octo- Like Definition of octo- on Facebook
prefix or before a vowel oct-
  1. eight
     
Of- Tweet Definition of Of- Like Definition of Of- on Facebook
prefix 
  1. a regulatory body for a specified industry
     
oligo- Tweet Definition of oligo- Like Definition of oligo- on Facebook
prefix 
  1. few
     
omni- Tweet Definition of omni- Like Definition of omni- on Facebook
prefix 
  1. a combining form meaning "all", used in the formation of compound words.
     
oo- Tweet Definition of oo- Like Definition of oo- on Facebook
prefix 
  1. Combining prefix indicating egg, ovum.
     
opto- Tweet Definition of opto- Like Definition of opto- on Facebook
prefix 
  1. eye, vision, light
     
ortho- Tweet Definition of ortho- Like Definition of ortho- on Facebook
prefix 
  1. straight, right, proper
  2. (chemistry) Having an extra proportion of water
  3. (chemistry) in isomeric benzene derivatives, having the two substituents in adjacent positions (compare meta- and para-)
  4. (physics) of any molecule of the form X2 in which the two nuclei have parallel spin
     
osteo- Tweet Definition of osteo- Like Definition of osteo- on Facebook
prefix 
  1. bone
     
out- Tweet Definition of out- Like Definition of out- on Facebook
prefix (infl, en, prefix, cat=prefixes)
  1. External to
    outback
    outhouse
  2. Surpassing, exceeding
    outdo
    outlast
  3. Greater than, beyond
    outsize
     
over- Tweet Definition of over- Like Definition of over- on Facebook
prefix 
  1. above, or higher
  2. superior
  3. excessively
     
oxy- Tweet Definition of oxy- Like Definition of oxy- on Facebook
prefix 
  1. Concerning oxygen
  2. Sharp, keen, acute, pungent, acid
     

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