Cementum

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cement \Ce*ment"\ (s[e^]*m[e^]nt" or s[e^]m"[e^]nt), n. [OF.
     cement, ciment, F. ciment, fr. L. caementum a rough, unhewn
     stone, pieces or chips of marble, from which mortar was made,
     contr. fr. caedimentum, fr. caedere to cut, prob. akin to
     scindere to cleave, and to E. shed, v. t.]
     1. Any substance used for making bodies adhere to each other,


        as mortar, glue, etc.
        [1913 Webster]
  
     2. A kind of calcined limestone, or a calcined mixture of
        clay and lime, for making mortar which will harden under
        water.
        [1913 Webster]
  
     3. The powder used in cementation. See {Cementation}, n., 2.
        [1913 Webster]
  
     4. Bond of union; that which unites firmly, as persons in
        friendship, or men in society. "The cement of our love."
        [1913 Webster]
  
     5. (Anat.) The layer of bone investing the root and neck of a
        tooth; -- called also {cementum}.
        [1913 Webster]
  
     {Hydraulic cement}. See under {Hydraulic}.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  cementum
       n : a specialized bony substance covering the root of a tooth
           [syn: {cement}]