how to pronounce keystone

/ˈkiː.stəʊn/

audio example by a male speaker

audio example by a female speaker

the above transcription of keystone is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.

keystone is pronounced in two syllables

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1.

iː

2. example pitch curve for pronunciation of keystone

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video examples of keystone pronunciation

An example use of keystone in a speech by a native speaker of british english:

“… Stoker's novel is a keystone of the …”

meanings of keystone

noun:

A native or resident of the American state of Pennsylvania.
The top stone of an arch.
The combination of the shortstop and second baseman.
A retail price that is double the cost price; a markup of 100%.
Something on which other things depend for support.

name:

A town in South Dakota.
A city and town in Iowa.
A census-designated place in Colorado.
A ghost town in North Dakota.

verb:

To double the cost price in order to determine the retail price; to apply a markup of 100%.
To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.

keystone frequency in english - C2+ level of CEFR

the word keystone occurs in english on average 0.6 times per one million words; this frequency warrants it to be in the study list for C2+ level of language mastery according to CEFR, the Common European Framework of Reference.