How to read: れきかい
Pronunciation: 
Same names and idioms in reading:
歴階
Names and idioms with total stroke of 33:
常住不断 御築石 早都樹 貢調使 平行連晶
Names and idioms similar to 礫塊:
凝塊 鉱塊 薬塊 亞鉛塊 岩滓集塊岩
Yojijukugo(idioms with 4 Kanji characters) including 礫塊:
丹沢山塊 塊然独処 金塊珠礫