English-Thai Dictionary
poundal
N หน่วย แรง ที่ มีค่า เท่ากับ แรง ที่ ทำให้เกิด ความเร่ง หนึ่ง
Webster's 1913 Dictionary
POUNDAL
Pound "al, n. Etym: [From 5th Pound. ] (Physics & Mech. )
Defn: A unit of force based upon the pound, foot, and second, being the force which, acting on a pound avoirdupois for one second, causes it to acquire by the of that time a velocity of one foot per second. It is about equal to the weight of half an ounce, and is 13,825 dynes.
New American Oxford Dictionary
poundal
pound al |ˈpoundəl paʊndl | ▶noun Physics a unit of force equal to that required to give a mass of one pound an acceleration of one foot per second per second. ORIGIN late 19th cent.: from pound 1 + the suffix -al, perhaps suggested by quintal .
Oxford Dictionary
poundal
poundal |ˈpaʊnd (ə )l | ▶noun Physics a unit of force equal to that required to give a mass of one pound an acceleration of one foot per second per second. ORIGIN late 19th cent.: from pound 1 + the suffix -al, perhaps suggested by quintal .