Word: keystone
Part of speech: Verb
Syllables: key
stone
Definition: To double the cost price in order to determine the retail price; to apply a markup of 100%.
Morphemes:
Affix: key
Language: en
PoS: Noun
Meaning: A modification of an advertisement so as to target a particular group or demographic.
Affix: stone
Language: en
PoS: Noun
Meaning: A unit of mass equal to 14 pounds (≈6. 3503kilograms), formerly used for various commodities (wool, cheese