columbinn.
/kəˈlʌmbɪn/ An insulating material used for connecting the sockets of the electric (Jablochkoff) candle. Formerly made of pieces of baked kaolin; now of a mixture of calcium and barium sulphates.
ΚΠ
1882 J. Dredge Electr. Illumination I. 516 The utility of the insulator lies in a sensible reduction in the amount of power absorbed. The ‘columbin’ gives a definite increase of light for a given power.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2019).
<
n.1882- dextro-racemic acid
- dextro-rotation
- dextro-rotatory
- dextro-tartaric acid
- dextro-tartrate
- dextroamphetamine
- dextroamphetamines
- dextrocompound
- dextroglucose
- dextroglucoses
- dextrogyrate
- dextrogyrate crystal
- dextrogyratory
- dextrogyre
- dextrogyrous
- dextroracemate
- dextroracemic acid
- dextrorotation
- dextrorotations
- dextrorotatory
- dextrorsal
- dextrorse
- dextrorsely
- dextrorser
- dextrorsest