@@ -146,11 +146,11 @@ sesqui- = 1.5
146146
147147meter = [length] = m = metre
148148second = [time] = s = sec
149- ampere = [current] = A = amp
149+ ampere = [current] = A = amp = Ampere = Ampère
150150candela = [luminosity] = cd = candle
151151gram = [mass] = g
152152mole = [substance] = mol
153- kelvin = [temperature]; offset: 0 = K = degK = °K = degree_Kelvin = degreeK # older names supported for compatibility
153+ kelvin = [temperature]; offset: 0 = K = Kelvin = degK = °K = degree_Kelvin = degreeK # older names supported for compatibility
154154radian = [] = rad
155155neper = [] = Np
156156bit = []
@@ -188,14 +188,14 @@ byte = 8 * bit = B = octet
188188baud = bit / second = Bd = bps
189189
190190# Length
191- angstrom = 1e-10 * meter = Å = ångström = Å
191+ angstrom = 1e-10 * meter = Å = ångström = Angstrom = Ångstrom = Å
192192micron = micrometer = µ
193- fermi = femtometer = fm
193+ fermi = femtometer = fm = Fermi
194194light_year = speed_of_light * julian_year = ly = lightyear
195195astronomical_unit = 149597870700 * meter = au # since Aug 2012
196196parsec = 1 / tansec * astronomical_unit = pc
197197nautical_mile = 1852 * meter = nmi
198- bohr = hbar / (alpha * m_e * c) = a_0 = a0 = bohr_radius = atomic_unit_of_length = a_u_length
198+ bohr = hbar / (alpha * m_e * c) = a_0 = a0 = Bohr = bohr_radius = atomic_unit_of_length = a_u_length
199199x_unit_Cu = K_alpha_Cu_d_220 * d_220 / 1537.4 = Xu_Cu
200200x_unit_Mo = K_alpha_Mo_d_220 * d_220 / 707.831 = Xu_Mo
201201angstrom_star = K_alpha_W_d_220 * d_220 / 0.2090100 = Å_star
@@ -204,7 +204,7 @@ planck_length = (hbar * gravitational_constant / c ** 3) ** 0.5
204204# Mass
205205metric_ton = 1e3 * kilogram = _ = tonne
206206unified_atomic_mass_unit = atomic_mass_constant = _ = amu
207- dalton = atomic_mass_constant = Da
207+ dalton = atomic_mass_constant = Da = Dalton
208208grain = 64.79891 * milligram = gr
209209gamma_mass = microgram
210210carat = 200 * milligram = _ = karat
@@ -223,7 +223,7 @@ century = 100 * year = _ = centuries
223223millennium = 1e3 * year = _ = millennia
224224eon = 1e9 * year
225225shake = 1e-8 * second
226- svedberg = 1e-13 * second
226+ svedberg = 1e-13 * second = _ = Svedberg
227227atomic_unit_of_time = hbar / E_h = a_u_time
228228gregorian_year = 365.2425 * day
229229sidereal_year = 365.256363004 * day # approximate, as of J2000 epoch
@@ -237,18 +237,18 @@ synodic_month = 29.530589 * day = _ = lunar_month # approximate
237237planck_time = (hbar * gravitational_constant / c ** 5) ** 0.5
238238
239239# Temperature
240- degree_Celsius = kelvin; offset: 273.15 = °C = celsius = degC = degreeC
241- degree_Rankine = 5 / 9 * kelvin; offset: 0 = °R = rankine = degR = degreeR
242- degree_Fahrenheit = 5 / 9 * kelvin; offset: 233.15 + 200 / 9 = °F = fahrenheit = degF = degreeF
243- degree_Reaumur = 4 / 5 * kelvin; offset: 273.15 = °Re = reaumur = degRe = degreeRe = degree_Réaumur = réaumur
240+ degree_Celsius = kelvin; offset: 273.15 = °C = celsius = Celsius = degC = degreeC
241+ degree_Rankine = 5 / 9 * kelvin; offset: 0 = °R = rankine = Rankine = degR = degreeR
242+ degree_Fahrenheit = 5 / 9 * kelvin; offset: 233.15 + 200 / 9 = °F = fahrenheit = Fahrenheit = degF = degreeF
243+ degree_Reaumur = 4 / 5 * kelvin; offset: 273.15 = °Re = reaumur = Reaumur = degRe = degreeRe = degree_Réaumur = réaumur = Réaumur
244244atomic_unit_of_temperature = E_h / k = a_u_temp
245245planck_temperature = (hbar * c ** 5 / gravitational_constant / k ** 2) ** 0.5
246246
247247# Area
248248[area] = [length] ** 2
249249are = 100 * meter ** 2
250250barn = 1e-28 * meter ** 2 = b
251- darcy = centipoise * centimeter ** 2 / (second * atmosphere)
251+ darcy = centipoise * centimeter ** 2 / (second * atmosphere) = _ = Darcy
252252hectare = 100 * are = ha
253253
254254# Volume
@@ -260,13 +260,13 @@ stere = meter ** 3
260260
261261# Frequency
262262[frequency] = 1 / [time]
263- hertz = 1 / second = Hz
263+ hertz = 1 / second = Hz = Hertz
264264revolutions_per_minute = revolution / minute = rpm
265265counts_per_second = count / second = cps
266266
267267# Wavenumber
268268[wavenumber] = 1 / [length]
269- reciprocal_centimeter = 1 / cm = cm_1 = kayser
269+ reciprocal_centimeter = 1 / cm = cm_1 = kayser = Kayser
270270
271271# Velocity
272272[velocity] = [length] / [time] = [speed]
@@ -279,11 +279,11 @@ foot_per_second = foot / second = fps
279279
280280# Acceleration
281281[acceleration] = [velocity] / [time]
282- galileo = centimeter / second ** 2 = Gal
282+ galileo = centimeter / second ** 2 = Gal = Galileo
283283
284284# Force
285285[force] = [mass] * [acceleration]
286- newton = kilogram * meter / second ** 2 = N
286+ newton = kilogram * meter / second ** 2 = N = Newton
287287dyne = gram * centimeter / second ** 2 = dyn
288288force_kilogram = g_0 * kilogram = kgf = kilogram_force = pond
289289force_gram = g_0 * gram = gf = gram_force
@@ -292,12 +292,12 @@ atomic_unit_of_force = E_h / a_0 = a_u_force
292292
293293# Energy
294294[energy] = [force] * [length]
295- joule = newton * meter = J
295+ joule = newton * meter = J = Joule
296296erg = dyne * centimeter
297- watt_hour = watt * hour = Wh = watthour
297+ watt_hour = watt * hour = Wh = watthour = Whr
298298electron_volt = e * volt = eV
299- rydberg = h * c * R_inf = Ry
300- hartree = 2 * rydberg = E_h = Eh = hartree_energy = atomic_unit_of_energy = a_u_energy
299+ rydberg = h * c * R_inf = Ry = Rydberg
300+ hartree = 2 * rydberg = E_h = Eh = Hartree = hartree_energy = atomic_unit_of_energy = a_u_energy
301301calorie = 4.184 * joule = cal = thermochemical_calorie = cal_th
302302international_calorie = 4.1868 * joule = cal_it = international_steam_table_calorie
303303fifteen_degree_calorie = 4.1855 * joule = cal_15
@@ -313,7 +313,7 @@ atmosphere_liter = atmosphere * liter = atm_l
313313
314314# Power
315315[power] = [energy] / [time]
316- watt = joule / second = W
316+ watt = joule / second = W = Watt
317317volt_ampere = volt * ampere = VA
318318horsepower = 550 * foot * force_pound / second = hp = UK_horsepower = hydraulic_horsepower
319319boiler_horsepower = 33475 * Btu / hour # unclear which Btu
@@ -333,12 +333,12 @@ water_60F = 0.999001 * kilogram / liter # approximate
333333
334334# Pressure
335335[pressure] = [force] / [area]
336- pascal = newton / meter ** 2 = Pa
336+ pascal = newton / meter ** 2 = Pa = Pascal
337337barye = dyne / centimeter ** 2 = Ba = barie = barad = barrie = baryd
338338bar = 1e5 * pascal
339339technical_atmosphere = kilogram * g_0 / centimeter ** 2 = at
340- torr = atm / 760
341- pound_force_per_square_inch = force_pound / inch ** 2 = psi
340+ torr = atm / 760 = _ = Torr
341+ pound_force_per_square_inch = force_pound / inch ** 2 = psi = PSI
342342kip_per_square_inch = kip / inch ** 2 = ksi
343343millimeter_Hg = millimeter * Hg * g_0 = mmHg = mm_Hg = millimeter_Hg_0C
344344centimeter_Hg = centimeter * Hg * g_0 = cmHg = cm_Hg = centimeter_Hg_0C
@@ -360,7 +360,7 @@ reyn = psi * second
360360
361361# Kinematic viscosity
362362[kinematic_viscosity] = [area] / [time]
363- stokes = centimeter ** 2 / second = St
363+ stokes = centimeter ** 2 / second = St = Stokes
364364
365365# Fluidity
366366[fluidity] = 1 / [viscosity]
@@ -380,32 +380,32 @@ enzyme_unit = micromole / minute = U = enzymeunit
380380
381381# Entropy
382382[entropy] = [energy] / [temperature]
383- clausius = calorie / kelvin = _ = clausius
383+ clausius = calorie / kelvin = _ = Clausius
384384
385385# Molar entropy
386386[molar_entropy] = [entropy] / [substance]
387387entropy_unit = calorie / kelvin / mole = eu
388388
389389# Radiation
390- becquerel = counts_per_second = Bq
391- curie = 3.7e10 * becquerel = Ci
392- rutherford = 1e6 * becquerel = Rd
393- gray = joule / kilogram = Gy
394- sievert = joule / kilogram = Sv
390+ becquerel = counts_per_second = Bq = Becquerel
391+ curie = 3.7e10 * becquerel = Ci = Curie
392+ rutherford = 1e6 * becquerel = Rd = Rutherford
393+ gray = joule / kilogram = Gy = Gray
394+ sievert = joule / kilogram = Sv = Sievert
395395rads = 0.01 * gray
396396rem = 0.01 * sievert
397- roentgen = 2.58e-4 * coulomb / kilogram = _ = röntgen # approximate, depends on medium
397+ roentgen = 2.58e-4 * coulomb / kilogram = _ = Roentgen = röntgen = Röntgen # approximate, depends on medium
398398
399399# Heat transimission
400400[heat_transmission] = [energy] / [area]
401401peak_sun_hour = 1e3 * watt_hour / meter ** 2 = PSH
402- langley = thermochemical_calorie / centimeter ** 2 = Ly
402+ langley = thermochemical_calorie / centimeter ** 2 = Ly = Langley
403403
404404# Luminance
405405[luminance] = [luminosity] / [area]
406406nit = candela / meter ** 2
407407stilb = candela / centimeter ** 2
408- lambert = 1 / π * candela / centimeter ** 2
408+ lambert = 1 / π * candela / centimeter ** 2 = _ = Lambert
409409
410410# Luminous flux
411411[luminous_flux] = [luminosity]
@@ -420,7 +420,7 @@ lux = lumen / meter ** 2 = lx
420420atomic_unit_of_intensity = 0.5 * ε_0 * c * atomic_unit_of_electric_field ** 2 = a_u_intensity
421421
422422# Current
423- biot = 10 * ampere = Bi
423+ biot = 10 * ampere = Bi = Biot
424424abampere = biot = abA
425425atomic_unit_of_current = e / atomic_unit_of_time = a_u_current
426426mean_international_ampere = mean_international_volt / mean_international_ohm = A_it
@@ -430,14 +430,14 @@ planck_current = (c ** 6 / gravitational_constant / k_C) ** 0.5
430430
431431# Charge
432432[charge] = [current] * [time]
433- coulomb = ampere * second = C
433+ coulomb = ampere * second = C = Coulomb
434434abcoulomb = 10 * C = abC
435- faraday = e * N_A * mole
435+ faraday = e * N_A * mole = _ = Faraday
436436conventional_coulomb_90 = K_J90 * R_K90 / (K_J * R_K) * coulomb = C_90
437437
438438# Electric potential
439439[electric_potential] = [energy] / [charge]
440- volt = joule / coulomb = V
440+ volt = joule / coulomb = V = Volt
441441abvolt = 1e-8 * volt = abV
442442mean_international_volt = 1.00034 * volt = V_it # approximate
443443US_international_volt = 1.00033 * volt = V_US # approximate
@@ -452,7 +452,7 @@ atomic_unit_of_electric_field = e * k_C / a_0 ** 2 = a_u_electric_field
452452
453453# Resistance
454454[resistance] = [electric_potential] / [current]
455- ohm = volt / ampere = Ω
455+ ohm = volt / ampere = Ω = Ohm
456456abohm = 1e-9 * ohm = abΩ
457457mean_international_ohm = 1.00049 * ohm = Ω_it = ohm_it # approximate
458458US_international_ohm = 1.000495 * ohm = Ω_US = ohm_US # approximate
@@ -463,7 +463,7 @@ conventional_ohm_90 = R_K / R_K90 * ohm = Ω_90 = ohm_90
463463
464464# Conductance
465465[conductance] = [current] / [electric_potential]
466- siemens = ampere / volt = S = mho
466+ siemens = ampere / volt = S = mho = Siemens
467467absiemens = 1e9 * siemens = abS = abmho
468468
469469# Capacitance
@@ -474,36 +474,36 @@ conventional_farad_90 = R_K90 / R_K * farad = F_90
474474
475475# Inductance
476476[inductance] = [magnetic_flux] / [current]
477- henry = weber / ampere = H
477+ henry = weber / ampere = H = Henry
478478abhenry = 1e-9 * henry = abH
479479conventional_henry_90 = R_K / R_K90 * henry = H_90
480480
481481# Magnetic flux
482482[magnetic_flux] = [electric_potential] * [time]
483- weber = volt * second = Wb
483+ weber = volt * second = Wb = Weber
484484unit_pole = µ_0 * biot * centimeter
485485
486486# Magnetic field
487487[magnetic_field] = [magnetic_flux] / [area]
488- tesla = weber / meter ** 2 = T
488+ tesla = weber / meter ** 2 = T = Tesla
489489gamma = 1e-9 * tesla = γ
490490
491491# Magnetomotive force
492492[magnetomotive_force] = [current]
493493ampere_turn = ampere = At
494494biot_turn = biot
495- gilbert = 1 / (4 * π) * biot_turn = _ = gilbert
495+ gilbert = 1 / (4 * π) * biot_turn = _ = Gilbert
496496
497497# Magnetic field strength
498498[magnetic_field_strength] = [current] / [length]
499499
500500# Electric dipole moment
501501[electric_dipole] = [charge] * [length]
502- debye = 1e-9 / ζ * coulomb * angstrom = D # formally 1 D = 1e-10 Fr*Å, but we generally want to use it outside the Gaussian context
502+ debye = 1e-9 / ζ * coulomb * angstrom = D = Debye # formally 1 D = 1e-10 Fr*Å, but we generally want to use it outside the Gaussian context
503503
504504# Electric quadrupole moment
505505[electric_quadrupole] = [charge] * [area]
506- buckingham = debye * angstrom
506+ buckingham = debye * angstrom = Buckingham
507507
508508# Magnetic dipole moment
509509[magnetic_dipole] = [current] * [area]
@@ -681,12 +681,12 @@ nuclear_magneton = e * hbar / (2 * m_p) = µ_N = mu_N
681681
682682# === Gaussian system of units ===
683683@group Gaussian
684- franklin = erg ** 0.5 * centimeter ** 0.5 = Fr = statcoulomb = statC = esu
684+ franklin = erg ** 0.5 * centimeter ** 0.5 = Fr = Franklin = statcoulomb = statC = esu
685685 statvolt = erg / franklin = statV
686686 statampere = franklin / second = statA
687- gauss = dyne / franklin = G
688- maxwell = gauss * centimeter ** 2 = Mx
689- oersted = dyne / maxwell = Oe = ørsted
687+ gauss = dyne / franklin = G = Gauss
688+ maxwell = gauss * centimeter ** 2 = Mx = Maxwell
689+ oersted = dyne / maxwell = Oe = ørsted = Oersted = Ørsted
690690 statohm = statvolt / statampere = statΩ
691691 statfarad = franklin / statvolt = statF
692692 statmho = statampere / statvolt
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