An abbreviation for Twaddell, indicating the use of the Twaddell hydrometer scale: as, 10° Tw. = specific gravity 1.050.(noun)
The Century Dictionary (Public Domain)
Use "tw" in a sentence
"They then taught the audience how to pronounce the word tw*t correctly, an experience I will surely relay to my grandchildren."
"San Antonio-based marketing firm Taylor West is addressing the changing landscape with a new digital division called tw labs."
"Obama is the same, and they've both been told by their respective armed forces bosses that they either front the money and do it properly, or get known as the [email protected] who lost the latest Afghan war."