light water

名词 n.
中文释义

英文释义

名词 n.
  1. Any water molecules (H₂O) containing two protium (¹H, hydrogen-1) atoms.; Water in its usual form (as occurs in nature without human intervention), which is mostly of such form. uncountable
  2. Any water molecules (H₂O) containing two protium (¹H, hydrogen-1) atoms.; Water which has had even the usual small amount of deuterium removed (by human intervention): deuterium-depleted water. uncountable
  3. Foam formed by water and any of various additives, used in firefighting because it floats on flammable liquids lighter than water. (The additives were originally fluorocarbon surfactants but today are increasingly fluorine-free.) uncountable
    — The light water (AFFF) of the TACR was to be backed up by fluorinated protein foam instead of standard protein foam.

词汇关系

衍生词
light water reactor
相关词
light hydrogen

词源

By reference to atomic weight and atomic mass; more at light hydrogen.
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