parasiticidal

adjective

par·a·sit·i·cid·al ˌper-ə-ˌsi-tə-ˈsī-dᵊl

ˌpa-rə-

: destructive to parasites

parasiticide

ˌper-ə-ˈsi-tə-ˌsīd

ˌpa-rə-

noun

Word History

First Known Use

1892, in the meaning defined above

Time Traveler

The first known use of parasiticidal was in 1892

See more words from the same year

Cite this Entry

Style

“Parasiticidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/parasiticidal. Accessed 31 Oct. 2025.

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Medical Definition

parasiticidal

adjective

par·a·sit·i·ci·dal -ˌsit-ə-ˈsīd-ᵊl

: destructive to parasites

the parasiticidal action of a substance

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