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Từ điển WordNet v3.1 - WordNet Dictionary

noun

an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
• Syn:
rubber, natural rubber, India rubber, gum elastic
• Derivationally related forms:
rubbery (for: rubber), rubber (for: rubber), rubberize (for: rubber)
• Hypernyms:
latex
• Hyponyms:
foam rubber, crepe rubber, cold rubber, hard rubber, vulcanite,
ebonite, Para rubber

• Từ đồng nghĩa / Synonyms:
  rubber, natural rubber, India rubber, gum elastic