submersion

noun
1
the act or process of going or being put under the surface of water or liquid; the state of being under water or liquid
غوطه‌وری, زیر آب رفتگی, غوص
synonym immersion(1)
2
the act of hiding ideas, feelings, opinions, etc. completely
پنهان‌سازی, مخفی کردن, نهان‌سازی
the submersion of individual identity
3
the state of becoming completely involved in something
غوطه‌وری, دل‌سپردگی, غوطه, تمرکز کامل
his submersion in the culture of British opera-going
synonym immersion(2)