1. (Material Noun-Neuter) a bottle, usually of glass, having a rounded body and a narrow neck. used to maintain their contents (often but not always liquid) at a temperature higher or lower than ambient temperature, while retaining the ambient pressure of approximately 1 Atmosphere (14.7 Psi). Domestically and in the food industry, they are often used to keep food and drink either cold or hot. জুলীয়া বস্তু তপত বা চেঁচা কৰি ৰাখিব পৰা কাঁচ আৰু ধাতুৰ নিৰ্মিত চুঙাৰ লেখীয়া যতন৷

English: flask,
Assamese: ফ্লাস্ক,
Bodo: थरमोस,
Khasi: u bitor,
Karbi: phlask