Science D (disambiguation)

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1 science

1.1 mathematics
1.2 chemistry, biology , medicine
1.3 physics

1.3.1 solid state physics


1.4 astronomy





science

d region, part of ionosphere in earth science
deci- (d), si prefix meaning 1 tenth
day (d), in metrology

mathematics

d, symbol total differential operator
thirteen (d in hexadecimal , other positional numeral systems radix of 14 or greater)
blackboard bold




d



{\displaystyle \mathbb {d} }

, representing unit disk in complex plane, or decimal fractions; see number
d, variable diameter of circle in geometry
d , d, derivative operators
five hundred, (d in roman numerals)
divisor function (d(n)), number of positive divisors of integer n

chemistry, biology , medicine

aspartic acid (d), in biochemistry
deuterium (d), isotope of hydrogen

deuteron (d), nucleus of deuterium


d- prefix, indicating dextrorotatory compound
vitamin d
atc code d dermatologicals, section of anatomical therapeutic chemical classification system
haplogroup d (mtdna), human mitochondrial dna (mtdna) haplogroup
haplogroup d-m174, y-chromosomal dna (y-dna) haplogroup
diarrhea (d)

physics

electric displacement field (d)
d, thickness, diameter, relative density, lattice plane spacing, , degeneracy of vibrational mode, in molecular spectroscopy
debye (d), unit of electrical dipole moment
d, name of mesons containing charm quarks in particle physics
diffusion coefficient (d), in molecular physics
d band (disambiguation)

solid state physics

debye–waller factor (d)
d function of energy, d(e), or wavenumber, d(k), symbol density of states
diode (d), electronic component

astronomy

d (for degenerate), white dwarf in stellar classification
d/, destroyed/disappeared in comet nomenclature
d, february 16 through 29 discovery in provisional designation of comet or asteroid






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