| isomer acid acidity agent alkali alkalinity alloisomer anion antacid artificial isotope atom base biochemical cation chemical chemical element chromoisomer compound copolymer deuterium dimer element heavy chemicals heavy hydrogen high polymer homopolymer hydracid inorganic chemical ion isobar isotone isotope macromolecule metamer molecule monomer neutralizer nonacid nuclear isomer organic chemical oxyacid polymer protium pseudoisomer radical radioactive isotope radioisotope reagent strontium 90 sulfacid trimer |
| isobar air mass anticyclone artificial isotope cold front cold sector cyclone deuterium front heavy hydrogen high high-pressure area isomer isometric isometric line isopiestic line isotherm isothermal line isotone isotope low low-pressure area nuclear isomer occluded front polar front protium radioactive isotope radioisotope squall line stationary front strontium 90 warm front weather map wind-shift line |
| roentgenotherapy X-ray dosimetry X-ray therapy cobalt therapy curietherapy interstitial irradiation therapy irradiation irradiation therapy isotope therapy radiation therapy radiotherapeutics radiotherapy radium therapy radiumization ray therapy roentgen ray therapy roentgenization roentgenometry roentgentherapy |