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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video examples of keystone pronunciation
An example use of keystone in a speech by a native speaker of american english:
“… for them but they are a keystone species …”
meanings of keystone
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.
A town in South Dakota.
A city and town in Iowa.
A census-designated place in Colorado.
A ghost town in North Dakota.
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 2 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.