| 暗黒物質 | [あんこくぶっしつ, ankokubusshitsu] (n) dark matter [Add to Longdo] |
| 熱い暗黒物質 | [あついあんこくぶっしつ, atsuiankokubusshitsu] (n) (See 冷たい暗黒物質) hot dark matter [Add to Longdo] |
| 冷たい暗黒物質 | [つめたいあんこくぶっしつ, tsumetaiankokubusshitsu] (n) (See 熱い暗黒物質) cold dark matter [Add to Longdo] |