declination

n [U, C] (physics 物) deviation of the needle of a compass, east or west from true north （罗盘指针的）偏差（如正北偏东或偏西）; 磁偏角.

decimetre, decipher, decipherable, decision, decision-making, decisive, decisively, decisiveness, deck, deck-chair, deck-hand, declaim, declamation, declamatory, declaration, declare, declared, declassification, declassify, declension, decline, declining, declivity, declutch, decode, decoder, decoke, decolletage, decollete, decolonization, -isation, decolonize, decolonise, decompose, decomposition, decompress, decompression, decongestant, decontaminate, decontamination, decontrol, decor,