R

<chem> ■ organic radical (R)

<el> (Messgröße; in Ohm) ■ resistance (R); electrical resistance

<med.tech> (Strömungswiderstand in den Atemwegen; Einheit: mbar/l/s) ■ resistance (R)

<nukl> (veraltete Einheit der radioaktiven Strahlungsdosis) ■ roentgen (R) obs

<rls> ■ tapered external pipe thread (R) BS 21; ISO 7/1 ; pipe thread where the pressure-tight joint is made on the thread (R) ISO 7 ; British Standard pipe thread for pressure-tight joints BS 21

<therm> (allgemeine vs. spezielle) ■ gas constant (R)