We don't have synonyms for at-sign yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are cat, act and art.
(n) :
(business, law) Ukrainian initialism of акціонерне товариство (akcionerne tovarystvo, “JSC”)
(n) :
Alternative form of att (Laos currency unit) [A subdivision of currency, equal to one hundredth of a Lao kip.]
(n) :
(software) Initialism of assistive technology. [Umbrella term that includes adaptive, assistive, and rehabilitative devices for people with disabilities.]
(n) :
Initialism of appropriate technology. [The use of technology that is small-scale, affordable by locals, decentralized, labor-intensive, energy-efficient, environmentally sound, and locally autonomous.]
(n) :
(firefighting, aviation) Abbreviation of air tanker. [An aircraft used to deliver liquids (or powders) from the air, usually either fuel, fire-retardants, or water.]
(n) :
(business, law) Ukrainian initialism of акціонерне товариство (akcionerne tovarystvo, “JSC”)
(n) :
Alternative form of att (Laos currency unit) [A subdivision of currency, equal to one hundredth of a Lao kip.]
(n) :
(software) Initialism of assistive technology. [Umbrella term that includes adaptive, assistive, and rehabilitative devices for people with disabilities.]
(n) :
Initialism of appropriate technology. [The use of technology that is small-scale, affordable by locals, decentralized, labor-intensive, energy-efficient, environmentally sound, and locally autonomous.]
(n) :
(firefighting, aviation) Abbreviation of air tanker. [An aircraft used to deliver liquids (or powders) from the air, usually either fuel, fire-retardants, or water.]