upsetting thermometer

1 definition found

upsetting thermometer - Collaborative International Dictionary of English v.0.48 :

  Upsetting thermometer \Up*set"ting ther*mom"e*ter\
     A thermometer by merely inverting which the temperature may
     be registered. The column of mercury is broken and, as it
     remains until the instrument is reset, the reading may be
     made at leisure.
     [Webster 1913 Suppl.]