waagii mesosooik

(m.l)

(waayihii ..., m.l) (jool.) Waagii dhexe ee nolosha, ahna midka labaad saddexda qaybood ee taxanaha waqti jiyolojiyeedka wixii ka dambeeyay kambiriyan-ka-horeeyaha: muddaddaas ka mid ah taariikhda dhulka ee u dhexeysa aayada baaliyosoyigga iyo saynasoyigga, waxay kala baxsantahay muddo ah 200 milyan ilaa 70 milyan sannadood ee tagtay.

Erey(o) la macne ah ereygan ama xiriir la leh waagii mesosooik ↴