"engineerings" in the noun sense
1. engineering
the practical application of technical and scientific knowledge to commerce or industry
2. engineering, engineering science, applied science, technology
the discipline dealing with the art or science of applying scientific knowledge to practical problems
"he had trouble deciding which branch of engineering to study"
3. engineering, engine room
a room (as on a ship) in which the engine is located
Source: WordNet® (An amazing lexical database of English)
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