Digital cameras that print instant pictures have materialized to fill the void, providing a practical substitute.
The infusion of hip-hop wasn't just a practical substitute for a rhythm section.
Since the early 1960s, silicon has become a practical substitute, virtually supplanting germanium as a material for semiconductor fabrication.
Having corners instead of rounded edges, a tiny house is expensive to tow; it is not a practical substitute for a mobile home.
This was a gruelling experience in which she was at one point required to be covered from head to foot in spinach as a practical substitute for primeval slime.
A more practical substitute has been developed at the Massachusetts Institute of Technology, where Daniel Nocera and his colleagues have perfected cheap and durable catalysts based on cobalt and phosphate, and, more recently, on nickel and borate.
These unique features of NSDPC electrodes suggest that they can serve as a practical substitute for graphite as a high performance anode material in LIBs.
Then synchronization by light-signals could still have been regarded as a mere practical substitute for a notion of absolute simultaneity that stood on independent grounds, empirically as well as conceptually.
A new lower bound finite element method for slab analysis is presented as a practical substitute to full, non-linear, finite element methods that require expert knowledge and long running times.
Manufacturers would then be required to conduct a scientific analysis to see whether safer chemicals could be used that would still be effective or whether no practical substitute for the dangerous compound is available.
