flatness

Từ điển Oxford Advanced Learner 8th

flat·ness BrE [flætnəs] ; NAmE [flætnəs] noun uncountable
Main entry: ↑flat_derived

• Từ đồng nghĩa / Synonyms:
  languor, lethargy, sluggishness, phlegm, lusterlessness, lustrelessness, mat, matt, matte, two-dimensionality, planeness