バイアル瓶びんMeanings1nounvial; small bottleRefers to a small glass or plastic container, often used for medicines, laboratory samples, or cosmetics. The term is a compound of the loanword バイアル and 瓶 (bottle).See also: バイアルワクチンはバイアル瓶びんに入はいっている。The vaccine is in a vial.実じっ験けん室しつでバイアル瓶びんに試し料りょうを入いれた。I put the sample into a vial in the laboratory.