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Webster 1913 Edition

Adj.

[L.

suber

the cork tree: cf. F.

subéreque

(Chem.)

Of or pertaining to cork; specifically, designating an acid,

C6H12.(CO2H)2

, homologous with oxalic acid, and obtained from cork and certain fatty oils, as a white crystalline substance.

Adj.

Pertaining to cork, or extracted from it; as suberic acid.

suberic ‎(not comparable)

(dated) Of or relating to the layer of cells in trees just below the epidermis
- 1902, Joseph Kennell, Timber: a comprehensive study of wood in all its aspects, translation of original by Paul Charpentier, page 25:
  The utricular tissue of the suberic cells is formed of suberin and paraxylose.