hardpan   (TTS Sound)

The hardpan has 1 Senses.

• hardpan, caliche
• crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
• 炭酸カルシウムで覆われた硬い下層土の表面または層で、乾燥地帯または半乾燥地帯に見られる