sparsity

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the property of being scanty or scattered;
lacking denseness
• Syn:
sparseness, spareness, thinness
• Derivationally related forms:
thin (for: thinness), sparse, spare (for: spareness), sparse (for: sparseness)
• Hypernyms:
meagerness, meagreness, leanness, poorness, scantiness,
scantness, exiguity