"strain" - key terms from Wikipedia

acacia strain
ames strain
anaconda strain
anaconda strain	virus
andromeda strain
angle strain
equivalent strain
eye strain
finite strain
finite strain	tensor
finite strain	theory
flu strain
highly pathogenic strain
infinitesimal strain
infinitesimal strain	theory
julie strain
lunar strain
mumps strain
new strain
normal strain
omega strain
pandemic strain
plane strain
plastic strain
rate of strain
repetitive strain
ring strain
second strain
shear strain
strain
strain	energy
strain	energy density
strain	energy density function
strain	energy release rate
strain	gage
strain	gauge
strain	hardening
strain	of guilt
strain	rate
strain	tensor
strain	theory
stress and strain
torsional strain