| 氷期 | [ひょうき, hyouki] (n, adj-no) (See 氷河時代) glacial period; ice age [Add to Longdo] |
| 解氷期 | [かいひょうき, kaihyouki] (n) thawing season; spring thaw [Add to Longdo] |
| 間氷期 | [かんぴょうき, kanpyouki] (n) interglacial period (epoch); interglacial [Add to Longdo] |
| 結氷期 | [けっぴょうき, keppyouki] (n) freezing or frost season [Add to Longdo] |
| 後氷期 | [こうひょうき, kouhyouki] (n) postglacial period [Add to Longdo] |