ALTERNACY
Meaning of ALTERNACY in English
ˈȯltərnəsē also ˈal-; ̷ ̷ˈ ̷ ̷ ̷ ̷ ̷ ̷ noun
( -es )
Etymology: alternate (I) + -acy
archaic : alternateness, alternation
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012