nona-

¹ American  

1. a combining form meaning “nine, ninth,” used in the formation of compound words.

   nonagon.

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nona ² American  

[noh-nuh] / ˈnoʊ nə /

noun

Pathology.

1. sleeping sickness.

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nona- British  

combining form

1. nine

   nonagon

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Usage

What does nona- mean? Nona- is a combining form used like a prefix meaning “nine” or “ninth.” It is used in a number of scientific and other technical terms.In chemistry, nona- is specifically used to indicate nine atoms or nine groups of atoms in compounds, e.g., nonapeptide.Nona- comes from the Latin nōnus, meaning “ninth.” The word noon also derives from the Latin nōna hōra, the “ninth hour” from sunrise. That means 12 o’clock noon was originally 3 p.m!The Greek word for “nine” is ennéa, source of the combining form ennea-, which you can learn more about in our Words That Use article for the form.What are variants of nona-?When combined with words or word elements that begin with a vowel, nona- becomes non-, as in nonyl alcohol.However, in a great many more instances, the letters non- at the beginning of a word are the prefix non-, meaning "not," as in nonabrasive or nonacademic.

Etymology

Origin of nona

< Latin nōna ( hōra ) ninth (hour); i.e., late stage in life of patient

Example Sentences

Korda completed an eight-under par 64 in the third round on Saturday at Lake Nona Country Club but six leaders were left on the course when play was halted on the Orlando, Florida, layout.

From Barron's

Korda made seven birdies, an eagle and only one bogey in cold and windy conditions to finish 54 holes on 13-under 203 at Lake Nona Country Club in Orlando, Florida.

From Barron's

Ko rattled off a hat-trick of birdies on the back nine in a bogey-free round that left her on eight-under after 36 holes at Lake Nona Country Club in Orlando, Florida.

From Barron's

Back-to-back birdies at 15 and 16 vaulted Hataoka into the lead of the season-opening event at Lake Nona in Orlando, Florida.

From Barron's

A child actor we first met on “The Adventures of Pete & Pete” as the quirky, arm-cast-wearing best friend Nona F. Mecklenberg.

From Los Angeles Times