Abbreviation	Definition
NFCs	Natural Fiber Composites
D	Hardness
D	Diffusion Coefficient, Measures Rate of Water Penetration in a Composite
E	Young’s Modulus
E-Glass	Type of Glass Fiber
EMC	Equilibrium moisture content
FT	Flexural Strength
HDPE	High-Density Polyethylene
LDPE	Low-Density Polyethylene
M∞	Saturation Moisture Content
MAPE	Maleated Polyethylene (Coupling Agent)
PFC	Polymer Fiber Composite
PLA	Polylactic Acid
PP	Polypropylene
R Ratio	Load Ratio in Fatigue Testing (Minimum Load/Maximum Load)
SEM	Scanning Electron Microscopy
S–N Curve	StresS–Number of Cycles Curve (Fatigue Life Representation)
ST	Shear Strength
Tg	Glass Transition Temperature
UTS	Ultimate Tensile Strength
Vf	Fiber Volume Fraction
WA	Water Absorption
η	Loss Factor (Fatigue Analysis)
σMAX	Maximum Stress