Definition of Drummond in US English:

Drummond

noun

historical
  • Attributive and in the genitive. Designating a lamp which produces an intense light by the incandescence of a piece of lime when it is heated (typically by an oxyhydrogen flame). Chiefly in "Drummond light".

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From the name of Thomas Drummond, Scottish army officer and civil engineer, who invented the lamp.

Pronunciation

Drummond

/ˈdrʌmənd/