معنی کلمه :‌ crystallogeny

The science which pertains to the production of crystals.

Incapable of being passed over, surmounted, or overcome; insuperable; as, insurmountable difficulty or obstacle. Locke. Hope thinks nothing difficult; despair tells us that difficulty is insurmountable. I. Watts. Syn. -- Insuperable; impassable; invincible.