[lai.tance] n [F, fr. lait milk, fr. L lact-, lac--more at galaxy] (ca. 1902): an accumulation of fine particles on the surface of fresh concrete due to an upward movement of water (as when excessive mixing water is used)
LAITANCE
Meaning of LAITANCE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012