synapse
Concise Oxford English Dictionary © 2008 Oxford University Press:
synapse /ˈsʌɪnaps, ˈsɪn-/
▶noun a gap between two nerve cells, across which impulses pass by diffusion of a neurotransmitter.
– derivatives
synaptic adjective,
synaptically adverb.
synaptic adjective,
synaptically adverb.
– origin C19: from Gk sunapsis, from sun- ‘together’ + hapsis ‘joining’, from haptein ‘to join’.
'synapse' also found in these Oxford entries:

