British thermal unit tarimas:

/'brɪtɪʃ 'θɜ:rmæl 'junɪt /

British thermal unit audio:

Žodžio paaiškinimas anglų kalba:

• noun: The quantity of heat required to raise the temperature of one pound of water from 60° to 61°F at a constant pressure of one atmosphere.
• noun: The quantity of heat equal to ¹/₁₈₀ of the heat required to raise the temperature of one pound of water from 32° to 212°F at a constant pressure of one atmosphere.

Lietuviškos reikšmės:

britų šiluminis vienetas