doublet Definition

pair, couple, gilet, oligomer, punctate, blackbody, jabot, twills, quatrefoil, baryon, integument, porphyrin, diffusivity, metaplasia, conformer, fermion, mno, phi, chalcedony, concavity, cockade, platy, micrograph, orbitals, sepal, prepuce, dimer, birefringence, chromophore, polynomial, tensor, lapilli, conic, ringlet, inhomogeneity, moiety, toroidal, dihydrogen, syn, epsilon, phlogopite, cytochrome, chromaticism, adenine, amphibolite, papillary muscle, hadron, supersolid, plagioclase, caudal fin, anisotropy, mesenchyme, diam, quasicrystal, intercalation, paltock, rhombus, waviness, rachis, toroid, drogue, argent, tetramer, astrakhan, chiton, circlet, sulci, canting, tetrahedron, plication, raglan, phrygian, hematoxylin, openwork, chemise, icosahedral, polyhedron, lamella, cyclization, martensite, circumflex, carnelian, angulation, chevron, raglan sleeve, isotherm, lurex, absorbance, pyrope, dipole moment, phosphor bronze, raiments, capelet, papule, blebs, azobenzene, diaphysis, nernst, paillette, suprarenal,