[f. SPARSE a. + -ITY.] Sparse or scattered state or condition; comparative scarcity or fewness.
1865. Intell. Observ., No. 37. 35. The density or sparsity of their growth.
1866. Howells, Venetian Life, xx. 330. At receptions where the sparsity of the company permits the lady of the house to be seen.
1883. F. Day, Indian Fish, 23. While the sparsity or the reverse of the population has also to be taken into account.