terra sigillata

名词 n.
中文释义
英 /ˌtɛɹə ˌsɪdʒɪˈleɪtə/|/ˌtɛɹə ˌsɪdʒɪˈlɑːtə/    美 /ˌtɛɹə ˌsɪdʒəˈleɪtə/

英文释义

名词 n.
  1. A type of astringent earth or clay originally from the Greek islands, formerly used as a medicine and antidote. uncountable
    — Terra sigillata (sealed earth) was a greasy clay, containing silica, alumina, chalk, magnesia and oxide of iron, found on the Greek islands of Lemnos, Melos and Samos.
  2. A type of fine, red Roman pottery made from the first to the third centuries AD in Gaul. uncountable
  3. A type of fine clay slip produced by mixing clay-water mixture with deflocculant and decanting the resulting water. uncountable
    — Terra sigillata, or ‘terra sig’ for short, is made by mixing a suitable clay with water and a deflocculant and leaving it to stand until the heavier particles of clay settle out.

词源

From Medieval Latin terra sigillāta (literally “sealed, stamped earth”).
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