英和和英

接頭辞

twi-

1. (rare or no longer productive) two

   twi-headed

2. (rare or no longer productive) double, both

   twilight, twi-tongued

同意語

• duo-
• di-
• twy-
• twin-

派生語

アナグラム

• Tiw, WIT, wit, wit', wit.

語源

From Proto-Germanic *twi-.

発音

• IPA^(key): /twi/

接頭辞

twi-

1. two, double

   twieċġe ― double-edged

   twidǣlan ― to divide

2. twice, bi-

   twibrowen ― twice-brewed

3. implying doubt or uncertainty

   twirǣde ― uncertain; in disagreement

派生語

名詞

TWI (複数形 TWIs)

1. (toxicology) Initialism of tolerable weekly intake.

   Hyponym: PTWI

   Coordinate term: TDI

   • 2005, Przemysław Mastalerz, The True Story of DDT, PCB, and Dioxin, Wydawnictwo Chemiczne, →ISBN, page 91:

     In May 2001 an expert committee has decided that tolerable doses should be expressed as tolerable weekly intake (TWI) and established TWI = 14 pg/kg.

2. (hydrology) Initialism of topographic wetness index.
   • 2021 September 5, Vineet Upadhyay, “Less oak cover in Himalayas could threaten biodiversity: Study”, in The New Indian Express‎^[1]:

     The key reason for the replacement of oak forests was attributed to the presence of more pines in the surrounding landscape, lower levels of winter precipitation, and Topographic Wetness Index (TWI), a measure which quantifies terrain-driven variation in soil moisture.