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3 definitions found
 for Is-
From The Collaborative International Dictionary of English v.0.48 :

  Is- \Is-\
     See Iso-.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Is \Is\, v. i. [AS. is; akin to G. & Goth. ist, L. est, Gr. ?,
     Skr. asti. [root]9. Cf. Am, Entity, Essence, Absent.]
     The third person singular of the substantive verb be, in the
     indicative mood, present tense; as, he is; he is a man. See
     Be.
     [1913 Webster]
  
     Note: In some varieties of the Northern dialect of Old
           English, is was used for all persons of the singular.
           [1913 Webster]
  
                 For thy is I come, and eke Alain.  --Chaucer.
           [1913 Webster]
  
                 Aye is thou merry.                 --Chaucer.
           [1913 Webster]
  
     Note: The idiom of using the present for future events sure
           to happen is a relic of Old English in which the
           present and future had the same form; as, this year
           Christmas is on Friday.
           [1913 Webster]
  
                 To-morrow is the new moon.         --1 Sam. xx.
                                                    5.
           Isabel

From The Collaborative International Dictionary of English v.0.48 :

  Iso- \I"so-\, Is- \Is-\ [Gr. 'i`sos equal.]
     A prefix or combining form, indicating identity, or equality;
     the same numerical value; as in isopod, isomorphous,
     isochromatic. Specif.:
     (a) (Chem.) Applied to certain compounds having the same
         composition but different properties; as in isocyanic.
     (b) (Organic Chem.) Applied to compounds of certain isomeric
         series in whose structure one carbon atom, at least, is
         connected with three other carbon atoms; -- contrasted
         with neo- and normal; as in isoparaffine; isopentane.
         [1913 Webster]

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