資料來源 : Webster's Revised Unabridged Dictionary (1913)
Tear \Tear\, n. (Glass Manuf.)
A partially vitrified bit of clay in glass.
{Tears of St. Lawrence}, the Perseid shower of meteors, seen
every year on or about the eve of St. Lawrence, August
9th.
{T. of wine}, drops which form and roll down a glass above
the surface of strong wine. The phenomenon is due to the
evaporation of alcohol from the surface layer, which,
becoming more watery, increases in surface tension and
creeps up the sides until its weight causes it to break.