blowtorch
UK[ˈbləʊtɔːtʃ]US[ˈbloʊtɔːrtʃ]
n
a tool that produces a very hot, small flame for burning off paint, melting metal, etc.
Morpheme Breakdown
blow
torch
blow
to direct air
torch
flaming light
Etymology
the word 'blowtorch' is a modern english compound, formed by combining the verb 'blow' and the noun 'torch'. 'blow' originates from the proto-germanic blēaną, meaning "to blow", reflecting the tool's function of directing a stream of air to intensify a flame. 'torch' descends from the latin torquēre, "to twist", referencing the early torches made of twisted flax or rope soaked in pitch. the compound logically describes a device where a controlled blast of air ('blow') is used to create and focus a hot, pointed flame ('torch'), primarily for industrial and craft applications.
Analysis
Structure: blow (to direct air) + torch (flaming light)
- blow: from old english blāwan, meaning "to blow, breathe, inflate". functional role: verb root indicating the action of directing a stream of air.
- torch: from old french torche, meaning "twisted thing, torch", ultimately from latin torquēre "to twist". functional role: noun root indicating a source of light or flame.
Examples
the plumber used a blowtorch to solder the copper pipes.
you need protective goggles when operating a high-temperature blowtorch.
the artist carefully applied heat with a small blowtorch to create texture in the metal sculpture.