Formula Symbols - M

Written by Jerry Ratzlaff on . Posted in Nomenclature & Symbols for Engineering, Mathematics, and Science

Mathematics Symbols

 

Mathematics Terms

 

Formula Symbols

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M

SymbolGreek SymbolDefinitionUSMetricValue
\(m_e\) - electron (rest) \(lbm\) \(kg\) -
\(Ma\) - Mach number dimensionless dimensionless  -
\(\Sigma\) Sigma macroscopic cross section - -  -
\(M\), \(\;m_i\) - magnetic - -  -
\(\mu_o\) mu magnetic constant constant constant \(1.2566\;x\;10^{-6}\;kg\;/\;m\)
\(B\) - magnetic field - -  -
\(n_m\), \(\;\nu_m\) nu magnetic diffusivity - -  -
\(m\), \(\;\mu\) mu magnetic dipole moment - -  -
\(H\), \(\;\vec{H}\) - magnetic field - -  -
\(\phi_m\) phi magnetic flux \(T\) \(T\)  -
\(B\) - magnetic flux density - \(T\)  -
\(\Phi_o\) Phi magnetic flux quantum constant constant \(2.067\;833\;758\;x\;10^{-15}\;kg\;m^2\;s^{-2}\;A^{-1}\)
\(F_m\) - magnetic force \(lbf\) \(N \;/\; a-m\)  -
\(B\), \(\;\vec{B}\) - magnetic induction - -  -
\(\mu\) mu magnetic moment of a particle - -  -
\(\mu\) mu magnetic permeability - -  -
\(U_m\) - magnetic potential difference - -  -
\(p_m\) - magnetic pressure - -  -
\(\beta\) beta magnetic pressure ratio - -  -
\(R_m\) - Magnetic Reynolds number dimensionless dimensionless  -
\(X\) - magnetic susceptibility - -  -
\(A\) - magnetic vector potential - -  -
\(F_m\) - magnetomotive force - -  -
\(M\) - magnetization - -  -
\(M\) - magnification - -  -
\(MF\)   magnification factor - -  -
\(h_{l-major}\) - major head loss \(ft\) \(m\)  -
\(v\) - Manning equation \(ft\;/\;sec\) \(m\;/\;s\)  -
\(n\) - Manning friction coefficient - -  -
\(n\) - Manning's roughness coefficient dimensionless dimensionless  -
\(Ma\) - Marangoni number dimensionless dimensionless  -
\(M\) - Markstein number dimensionless dimensionless  -
\(m\) - mass \(lbm\) \(kg\)  -
\(M\) - mass scale - - -
\(\mu_m\) mu mass attenuation coefficient - -  -
\(\dot {m}_c\) - mass condensation rate \(lbm\;/\;hr\) \(kg\;/\;s\)  -
\(c\) - mass consentration \(lbm\) \(kg\)  -
\(\rho \) rho mass density \(lb\;/\;ft^3\) \(kg\;/\;m^3\)  -
\(D\), \(\;D_m\) - mass diffusivity \(ft^2/sec\) \(m^2\;/\;s\)  -
\(\Delta\) Delta mass excess - -  -
\(\dot {m}_f\) - mass flow rate \(lbm\;/\;sec\) \(kg\;/\;s\)  -
\(B\), \(\;\Gamma\) Gamma mass flow rate per unit area \(lbm\;/\;hr-ft^2\) \(kg\;/\;s-m^2\)  -
\(w\) - mass fraction - -  -
\(m\), \(\;\dot {m}\) - mass leak rate \(lbm\;/\;sec\) \(kg\;/\;s\)  -
\(I\) - mass moments of inertia \(lbm-ft^2\) \(kg-m^2\)  -
\(A\) - mass number - -  -
\(\mu\) mu mass of molecule - -  -
\(K\), \(\;k\) - mass transfer coefficient \(ft/sec\) \(m/s\)  -
\(\dot {m}_t\) - mass transfer rate \(lbm\;/\;sec\) \(kg\;/\;s\)  -
\(G\) - mass velocity \(lbm\;/\;sec\) \(kg\;/\;s\)  -
\(J\) - Massieu function - -  -
\(D\) - material density \(g \;/\; cm^3\) \(kg \;/\; m^3\)  -
\(K_{cE}\) - material factor for wood column design - -  -
\(M\) - maximum bending moment \(lbf-in\) \(N-mm\)  -
\(\Delta_{max}\) Delta maximum calculated beam deflection \(in\) \(mm\)  -
\(P_{max}\)   maximum load - - -
\(M_u\) - maximum moment from factored loads for LRFD beam design \(lbf-ft\) \(N-m\)  -
\(\tau\) tau maximum shear stress \(lb\;/\;in^2 \;or\; psi\) \(kg \;/\; cm^2\) -
\(H_{sp}\) - maximum surge pressure head in a length of pipe \(lb\;/\;ft^2 \;or\; psi\) \(Pa\)  -
\(P_{spf}\) - maximum surge pressure for a fluid \(lb\;/\;ft^2 \;or\; psi\) \(Pa\)  -
\(L_c\) - maximum unbraced length of a steel beam in ASD design for max. allowed bending stress \(in \;or\; ft\) \(mm \;or\;m\)  -
\(L_p\) - maximum unbraced length of a steel beam in LRFD design for full plastic flexural strength \(in \;or\; ft\) \(mm \;or\;m\)  -
\(L_r\) - maximum unbraced length of a steel beam in LRFD design for inelastic strength \(in \;or\; ft\) \(mm \;or\;m\)  -
\(L_u\) - maximum unbraced length of a steel beam in ASD design for reduced allowed bending stress \(in \;or\; ft\) \(mm \;or\; m\)  -
\(m\) - mean - -  -
\(h_m\) - mean depth \(ft\) \(m\)  -
\(v\) - mean flow velocity \(ft\;/\;sec\) \(m\;/\;s\)  -
\(l\), \(\;\lambda\) lambda mean free path \(ft\) \(m\)  -
\(\tau\), \(\;\tau_m\) tau mean life - -  -
\(v_m\) - mean velocity \(ft\;/\;sec\) \(m\;/\;s\)  -
\(h\) - mean water depth \(ft\) \(m\)  -
\(ME\) - mechanical efficiency - -  -
\(ME\) - mechanical energy \(ft-lbf\) \(J\)  -
\(W\) - mechanical work - \(J\)  -
\(\rho_m\) rho media density \(lb\;/\;ft^3\) \(kg\;/\;m^3\)  -
\(Z_w\) - metal removal rate \(ft^3\;/\;min\) \(m_3\;/\;s\)  -
    milky way galaxy diameter constant constant \(1.04\;x\;10^{21}\;m\)
    milky way galaxy distance to center constant constant \(2.57\;x\;10^{20}\;m\)
    milky way galaxy distance to closest neighbouring system constant constant \(3.970\;x\;10^{16}\;m\)
    milky way galaxy mass constant constant \(2.50\;x\;10^{42}\;kg\)
    milky way galaxy number of stars dimensionless constant dimensionless constant \(3.00\;x\;10^{11}\)
    milky way galaxy oldest star known constant constant \(4.156\;x\;10^{17}\;s\)
    milky way galaxy orbital speed rotation around center constant constant \(2.20\;x\;10^5\;m\;s^{-1}\)
    milky way galaxy thickness constant constant \(1.00\;x\;10^{19}\;m\)
\(I_{min}\) - minimum moment of inertia of \(I_x\) and \(I_y\) \(in \;or\; ft\) \(mm \;or\; m\)  -
\(h_{l-minor}\) - minor head loss \(ft\) \(m\)  -
\(K\) - minor loss coefficient - -  -
\(K\) - mixing factor - -  -
\(\mu\), \(\;\mu_n\), \(\;\mu_p\) mu mobility - -  -
\(b\) - mobility ratio - -  -
\(C_m\) - modification factor for combined stress in steel design - -  -
\(\lambda\), \(\;E\) lambda modulus of elasticity \(lb\;/\;ft^2 \;or\; psi\) \(Pa\)  -
\(E\) - modulus of elasticity earthquake load for LRFD design \(psi\) \(kPa\)  -
\(U_r\) - modulus of resilience \(lbf\;/\;in^2\) \(MPa\)  -
\(G\), \(\;\mu\) mu modulus of rigidity \(Pa\) \(Pa\)  -
\(G\) - modulus of torsional \(Pa\) \(Pa\) -
\(U_t\) - modulus of toughness \(lbf\;/\;in^2\) \(MPa\)  -
\(n\) - modular ratio - -  -
\(m\) - module - \(mm\)  -
\(MC\) - moisture content - -  -
\(m\) - molality \(lb\;/\;mol\) \(kg\;/\;mol\)  -
\(M\) - molar concentration \(lbmol\;/\;ft^3\) \(kmol\;/\;m^3\)  -
\(H\) - molar enthalpy \(Btu\;/\;lbmol\) \(kJ\;/\;kmol \)  -
\(S\) - molar entropy \(Btu\;/\;lbmol-^\circ R\) \(kJ\;/\;kmol-K\)  -
\(x\) - molar fraction - -  -
\(M\) - molar gas \(lb \;/\; mol\) \(kg \;/\; mol\)  -
\(R\) - molar gas constant constant constant \(8.314\;462\;618...\;J\;mol^{-1}\;K^{-1}\)
\(c_m\) - molar heat \(lb\;/\;mol\) \(kg\;/\;mol\)  -
\(U\) - molar internal energy \(Btu\;/\;lbmol\) \(kJ\;/\;kmol\)  -
\(M\) - molar mass of gas - -  -
\(M\) - molar mass \(lb\;/\;mol\) \(kg\;/\;mol\)  -
\(M_u\) - molar mass constant constant constant \(0.001\;kg\;mol^{-1}\)
\(M(^12 C)\) - molar mass of carbon-12 constant constant \(11.999\;999\;9958\;x\;10^{-3}\;kg\;mol^{-1}\)
\(M_u\) - molar mass constant constant constant \(0.999\;999\;999\;65\;x\;10^{-3}\;kg\;mol^{-1}\)
\(N_a h\) - molar Planck constant constant constant \(3.990\;312\;712\;...\;x\;10^{-10}\;J\;Hz^{-1}\;mol^{-1}\)
\(r\) - molar ratio of solution - -  -
\(C\) - molar specific heat

\(Btu\;/\;lbmol-^\circ F\)

\(kJ\;/\;kmol-K\)  -
\(V\) - molar specific volume \(ft^3\;/\;lbmol\) \(m^3\;/\;kmol\)  -
\(V_m\) - molar volume \(ft^3\;/\;mol\) \(m^3\;/\;mol\)  -
\(V_m\) - molar volume of ideal gas constant constant \(22.413\;968\;x\;10^{-3}\;m^3\;mol^{-1}\)
\(M\) - molarity - \(mol\;/\;l\)  -
\(m\) - molarity of solution - -  -
\(n\) - mole - -  -
\(\chi \) chi mole fraction \(mol\) \(mol\)  -
\(MW\) - molecular weight \(lbm\;/\;lbmol\) \(kg\;/\;kmol\)  -
\(M\) - moment \(lbf \;/\; sec\) \(kg-m \;/\; s\)  -
\(M\) - moment about the neuteal axis - - -
\(M\) - moment of force \(lbf-ft\) \(N-m\)  -
\(I\), \(\;J\) - moment of inertia \(lbm-ft2\) \(kg-m^2\)  -
\(I_{cm}\) - moment of inertia center of mass \(lbm-ft2\) \(kg-m^2\) -
\(I_c\), \(\;\overline{I}\) - moment of inertia about the centroid \(in^4\) \(mm^4\)  -
\(I_x\) - moment of inertia with respect to an x-axis \(in^4\) \(mm^4\)  -
\(I_y\) - moment of inertia with respect to an y-axis \(in^4\) \(mm^4\)  -
\(p\), \(\;\rho\) rho momentum \(lbm-ft\;/\;sec\) \(kg-m\;/\;s\)  -
\(M\) - moment of mass \(lbf\) \(kg-m\) -
\(Mo\) - Morton number dimensionless dimensionless  -
\(M\) - mutual inductance - -  -
Symbol Greek Symbol Definition US Metric Value