ˈ ̷ ̷ ̷ ̷ˌtōn noun
( -s )
Etymology: is- + -tone (probably from Greek tonos tension, stretching) — more at tone
: one of two or more nuclides having the same number of neutrons
ˈ ̷ ̷ ̷ ̷ˌtōn noun
( -s )
Etymology: is- + -tone (probably from Greek tonos tension, stretching) — more at tone
: one of two or more nuclides having the same number of neutrons
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012