n.
Pronunciation: ' ta-k ē - ˌ än
Function: noun
Etymology: tachy- + 2 -on
Date: 1967
: a hypothetical particle held to travel only faster than light
n.
Pronunciation: ' ta-k ē - ˌ än
Function: noun
Etymology: tachy- + 2 -on
Date: 1967
: a hypothetical particle held to travel only faster than light
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012