98 entries under engineering topic. ×

2
neutral symbol(expression, technology, communication, information)
2
odd symbols(technology, expression, arranging)
2
pictorial symbol(expression, technology, arranging, automation)
2
pipe symbol(expression, machine, electronics, computers, technology)
2
primitive symbol(expression, technology, machine, automation)
2
radar position symbol(expression, aviation, aeronautics, airmanship, technology)
2
safety alert symbol(technology, expression, arranging)
2
symbol generator(technology, expression, arranging)
2
symbol library(expression, technology, machine, automation)
2
symbol rate(expression, connection, communications, telecommunications, technology)
2
symbol system(technology, expression, arranging, programming)
2
terminal symbol(expression, technology, arranging, linguistics)
2
terminating symbol(expression, technology, machine, automation)
2
topographic symbol(technology, expression, arranging)
2
undeclared symbol(technology, expression, arranging, programming)
2
undefined symbol(technology, expression, arranging)
2
versatile symbol generator(technology, expression, arranging)
2
version symbol(technology, expression, arranging)
2
wire symbol(technology, expression, arranging)
2
wrench symbol(technology, expression, arranging)
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APASmart Define. (2016). symbol thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/symbol/thesaurus/narrower
ChicagoSmart Define. 2016. "symbol thesaurus" https://smartdefine.org/symbol/thesaurus/narrower (accessed September 24, 2026).
HarvardSmart Define 2016, symbol thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/symbol/thesaurus/narrower>.
MLASmart Define. "symbol thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/symbol/thesaurus/narrower>