Etymology

mở nắp ‎(“to take off a lid”) + chai ‎(“bottle”)

Pronunciation

• (Hà Nội) IPA^(key): [məːɰ˧˩ nɐʔp̚˧ˀ˦ ṯɕaːj˧˧]
• (Huế) IPA^(key): [məːɰ˧˩ nɐʔp̚˦˥ ṯɕaːj˧˧]
• (Hồ Chí Minh City) IPA^(key): [məːɰ˨˦ nɐʔp̚˦ˀ˥ c̻aːj˧˥]