Tri-bitcoin, to help people remember the three zeroes in front (1 tBTC = .0001)
tri-bit for short
tBTC
It is way too hard to remember what all the nominal denominations are. People need easy reference. With this name, the number of zeroes is built in, tri-bit. Everyone knows tri=3, and can make the further logical conclusion that there a tri-bit has 3 zeroes in front.
Alternatives:
tre-bit (tre short for 'tres')
qubit, qBTC
qubits have three states (0, 1, or both)
can be used to refer to the three zeroes in front (1 qBTC = 0.0001)
bit-oshi