mainstay in a quote

"I understood the importance in principle of public key cryptography but it's all moved much faster than I expected. I did not expect it to be a mainstay of advanced communications technology."

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  • Definition for "mainstay"
    • A chief help: Agriculture is a mainstay of…
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  • Sentence for "mainstay"
    • The lot more includes her jewellery…
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  • Phrases for "mainstay"
  • Same Context for "mainstay"
  • Urban Dictionary for "mainstay"
    • -- primary support-- main constituent
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