lanuginous

adjective
la·​nu·​gi·​nous | \ lə-ˈnü-jə-nəs How to pronounce lanuginous (audio) , -ˈnyü- \

Definition of lanuginous

: covered with down or fine soft hair : downy

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You're likely to come across "lanuginous" in only a few contexts, botany and spelling bees being the best candidates. In other contexts, the more common term is "downy." "Lanuginous" has an unsurprising pedigree. It's from the Latin word lanuginosus, which is in turn from "lanugo," the Latin word for "down." ("Lanugo" is also an English word used especially to refer to the soft woolly hair that covers the fetus of some mammals.) "Lanugo" itself is from lana, meaning "wool," a root also at work in "lanolin," the term for wool grease that's refined for use in ointments and cosmetics.

First Known Use of lanuginous

1575, in the meaning defined above

History and Etymology for lanuginous

Latin lanuginosus, from lanugin-, lanugo

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The first known use of lanuginous was in 1575

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Dictionary Entries Near lanuginous

lants

lantskip

lantum

lanuginous

lanugo

Lanús

Lanuvian

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Cite this Entry

“Lanuginous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lanuginous. Accessed 25 Jun. 2021.

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More Definitions for lanuginous

lanuginous

adjective
la·​nu·​gi·​nous | \ lə-ˈn(y)ü-jə-nəs How to pronounce lanuginous (audio) \

Medical Definition of lanuginous

: covered with down or fine soft hair

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