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Từ điển WordNet v3.1 - WordNet Dictionary 
	
		  writing system   
  a method of representing the sounds of a language by written or printed symbols • Syn: orthography • Derivationally related forms: orthographic (for: orthography) • Hypernyms: writing • Hyponyms: script, spelling, picture writing, alphabetic writing, alphabetic script, boustrophedon, ideography, hieroglyph, hieroglyphic, point system • Instance Hyponyms: Linear A • Member Meronyms: punctuation, hyphenation • Part Meronyms: word division, hyphenation, punctuation, punctuation mark
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