properdin

noun

pro·​per·​din prō-ˈpər-dᵊn How to pronounce properdin (audio)
: a blood serum protein that participates in the activation of complement in a pathway which does not involve the presence of antibodies

Word History

Etymology

probably from pro- entry 1 + Latin perdere to destroy + English -in entry 1 — more at perdition

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of properdin was in 1954

Dictionary Entries Near properdin

Cite this Entry

“Properdin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/properdin. Accessed 15 Apr. 2024.

Medical Definition

properdin

noun
pro·​per·​din prō-ˈpərd-ᵊn How to pronounce properdin (audio)
: a blood serum protein that participates in the activation of complement in a pathway which does not involve the presence of antibodies
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