solidus  
noun [ C ] uk/ˈsɒl.ɪ.dəs/ us/ˈsɑː.lɪ.dəs/  solidi /ˈsɒl.ɪ.daɪ/ /ˈsɑː.lɪ.daɪ/
  (COIN)      
  苏勒德斯(古罗马帝国发行的一种金币)
a gold coin from the ancient Roman empire
  The Emperor Constantine is recognisable from a solidus, a gold coin dating from AD316. 这枚发行于公元316年的苏勒德斯金币上可以辨认出君士坦丁大帝的形象。 
 Compare: denarius
 - More examples
 - After Justinian the gold solidus always showed emperors and empresses face-on.
 - The coins found are gold solidi and silver siliquae, produced under a range of emperors of the late 4th to early 5th century.
 - The letters LSD once denoted English money in pre-decimalisation days: librae, solidi, denarii, the Latin forms of pounds, shillings and pence.
 - The record shows that the wax for the candle was purchased for three solidi.
 
  (SYMBOL)      
 (数字、字母、日期等中的)斜线分隔符
the symbol / used in writing to separate numbers, letters, or words
  Use a solidus between two numbers to indicate a fraction or ratio. 在两个数字之间使用斜线分隔符表示分数或比率。 
 Synonym: slash 
 - More examples
 - The number to the left of the solidus is the number of replicates.
 - The number to the right of the solidus indicates the total.