diff --git a/style/definitions.sty b/style/definitions.sty
index 18b8a3c265d9527269b0dc0f440da0fca257b8d2..cf08b53e3390a9c15680fd525f25076e4a198f0d 100644
--- a/style/definitions.sty
+++ b/style/definitions.sty
@@ -60,6 +60,57 @@
 
 
 % --- Velocities ---------------------------------------------------------------
+\newcommand{\indSwirl}{\ensuremath{u_i}} % Swirl velocity, in-plane toward rot blade
+\newcommand{\indAxVel}{\ensuremath{u_i}} % Induced velocity, normal to rotor dis
+\newcommand{\airspeed}{\ensuremath{V_\infty}} % Freestream velocity
+\newcommand{\velA}{\ensuremath{V_A}} % Axial velocity component
+\newcommand{\velR}{\ensuremath{V_R}} % Resultant velocity at the rotor plane
+\newcommand{\velRadial}{\ensuremath{V_\text{radial}}} % Radial component of freestream velocity
+\newcommand{\velT}{\ensuremath{V_T}} % Tangential component at the rotor plane
+\newcommand{\indAxWake}{\ensuremath{w}} % Slipstream velocity downstream
+
+
+\newcommand{\angVel}{\ensuremath{\Omega}} % Angular velocity
+\newcommand{\aoa}{\ensuremath{\alpha}} % Angle of attack
+\newcommand{\aoaZero}{\ensuremath{\alpha_0}} % Zero-lift angle of attack
 
 % --- Angles -------------------------------------------------------------------
+\newcommand{\sweep}{\ensuremath{\Lambda}} % Circulation
+
+% --- Others -------------------------------------------------------------------
+\newcommand{\area}{\ensuremath{A}} % (Rotor) Area
+\newcommand{\radius}{\ensuremath{R}} % Rotor radius
+\newcommand{\relRad}{\ensuremath{r}} % Nondimensional radial position along the blade
+\newcommand{\absRad}{\ensuremath{y}} % Radial distance along the blade
+\newcommand{\advRat}{\ensuremath{\mathcal{J}}} % Advance ratio
+\newcommand{\mFlow}{\ensuremath{\dot{m}}} % Mass flow rate
+
+\newcommand{\mach}{\ensuremath{\mathcal{M}}} % Mach number
+\newcommand{\nBlades}{\ensuremath{N_b}} % Number of blades
+
+% --- Forces, torques, powers, etc ---------------------------------------------
+
+% Foces
+\newcommand{\lift}{\ensuremath{\mathcal{L}}} % Lift
+\newcommand{\drag}{\ensuremath{\mathcal{D}}} % Drag
+\newcommand{\thrust}{\ensuremath{\mathcal{T}}} % Thrust
+\newcommand{\torque}{\ensuremath{\mathcal{Q}}} % Torque
+\newcommand{\power}{\ensuremath{\mathcal{P}}} % Power
+\newcommand{\ForceX}{\ensuremath{F_x}} % Rotor force along X_TPP-axis
+\newcommand{\ForceY}{\ensuremath{F_y}} % Rotor force along Y_TPP-axis
+\newcommand{\MomX}{\ensuremath{M_x}} % Rotor moment along X_TPP-axis
+\newcommand{\MomY}{\ensuremath{M_y}} % Rotor moment along Y_TPP-axis
+
+% Coefficients
+\newcommand{\cLift}{\ensuremath{c_l}} % Sectional lift coefficient
+\newcommand{\cLiftSlope}{\ensuremath{c_{l,\alpha}}} % Lift curve slope
+\newcommand{\cDrag}{\ensuremath{c_d}} % Sectional drag coefficient
+\newcommand{\cMom}{\ensuremath{c_m}} % Sectional moment coefficient coefficient
+\newcommand{\cThrust}{\ensuremath{C_{\thrust}}} % Thrust coefficient
+\newcommand{\cTorque}{\ensuremath{C_{\torque}}} % Torque coefficient
+\newcommand{\cPower}{\ensuremath{C_{\power}}} % Power coefficient
+\newcommand{\cForceX}{\ensuremath{C_{F_x}}} % Longitudinal force coefficient
+\newcommand{\cForceY}{\ensuremath{C_{F_y}}} % Lateral side force coefficient
+\newcommand{\cMomX}{\ensuremath{C_{M_x}}} % Rolling moment coefficient
+\newcommand{\cMomY}{\ensuremath{C_{M_y}}} % Pitching moment coefficient