[1895–1900; under- + layer]This word is first recorded in the period 1895–1900. Other words that entered Englishat around the same time include: backstage, calling card, cutback, freewheel, neonunder- is a prefixal use of under, as to indicate place or situation below or beneath (underbrush; undertow); lower in grade or dignity (undersheriff; understudy); of lesser degree, extent, or amount (undersized); or insufficiency (underfeed)
Examples of 'underlayer' in a sentence
underlayer
Witnesses described the building's cladding, made up of the panels and an insulating underlayer, as going up like a 'matchstick'.