wastewater
water left after domestic, industrial, or other use
n.L1 基礎・必須B2
排水；廃水
英語の定義 water that has been used and contains substances that may require removal before it is reused or released
TOEFL語彙
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語彙（105）
thaw
v. · B2 · L2stop being frozen as conditions warm
解ける；解凍する
tide
n. · B2 · L1periodic change in sea level mainly caused by gravitational forces
潮汐；潮の満ち引き
toxic
adj. · B2 · L1harmful because it can poison organisms
有毒な
tsunami
n. · B2 · L2large waves caused by sudden displacement of water
津波
upwelling
n. · C1 · L3movement of deeper water toward the ocean surface
湧昇；深層の海水の上昇
volcanic
adj. · B2 · L2produced by or associated with volcanoes
火山の；火山活動で生じた
wastewater
n. · B2 · L1water left after domestic, industrial, or other use
排水；廃水
water cycle
n. · B1 · L1circulation of water among the atmosphere, land, and oceans
水循環
water scarcity
n. · B2 · L1lack of enough available water to meet demand
水不足；水資源の不足
water table
n. · C1 · L2level marking the top of the saturated groundwater zone
地下水面；地下水位
watershed
n. · C1 · L2land area whose water drains toward the same outlet
流域；集水域
weather
n. · A2 · L1atmospheric conditions at a particular place and time
天気；気象
weathering
n. · C1 · L2physical or chemical breakdown of rock without its transport
風化作用
wildfire
n. · B2 · L1unplanned fire spreading through wild vegetation
野火；森林や草地の火災
wind speed
n. · B1 · L1speed at which air moves past a point
風速