The term SQUID SQUIRT is a combination of two words. The first word, SQUID, is an acronym for Superconducting Quantum Interference Device, which is a type of electronic device used to measure magnetic fields. The second word, SQUIRT, is an acronym for Superconducting QUantum Interference Resonance Technology, which is a type of technology used to detect and measure very small changes in magnetic fields. The crossword solution for this term is INK, which stands for Inductive Nuclear Kinematics, which is a type of technology used to measure the motion of particles.