물보다 무거운 액체의 비중을 측정하는 데 사용되는 트와델 도 단위.
A unit on the Twaddell scale used to measure the specific gravity of liquids heavier than water.
예문:
"The specific gravity of the acid was measured at 25 Tw."
"Use a hydrometer calibrated in Tw to check the brine concentration."
트랜스 월드 항공(Trans World Airlines)을 나타내는 국제 항공 약칭(IATA 코드).
The international aviation abbreviation (IATA code) for Trans World Airlines.
예문:
"The baggage tag was marked with TW for the connecting flight."
"Many vintage posters still feature the iconic TW logo from the golden age of flight."