The Collaborative International Dictionary
Instantaneity
Instantaneity \In*stan`ta*ne"i*ty\, n. [Cf. F.
instantan['e]it['e].]
Quality of being instantaneous.
--Shenstone.
Wiktionary
instantaneity
n. The condition of being instantaneous
Usage examples of "instantaneity".
The sensors were active ones, using treated antineutrinos which could be given superluminal acceleration but which lacked the virtual instantaneity of tachyon communications.