| rare | (adj) having low density, Syn. rarified, rarefied |
| Rarification | n. See Rarefaction. [ R. ] Am. Chem. Journal. [ 1913 Webster ] |
| 希薄(P);稀薄 | [きはく, kihaku] (adj-na, n) (1) thin (e.g. air); diluted; sparse; lean; weak; rarified; rarefied; (2) lacking (e.g. empathy); deficient; insufficient (e.g. zeal); (P) [Add to Longdo] |