jpdb beta

double chin

double circle (indicating "very good" on a piece of school work)

dual personality; split personality

twofold and threefold; doubled and redoubled

double agent

dual structure; double structure

instrumental duet; instrumental duo

double helix (structure of DNA)

double life

double exposure

double negative

double-glazed window; double window; storm window

someone with a dual personality

double star; visual double

double torture; double pain; double hardship; double whammy

dual nationality; dual citizenship

duplication; redundancy

double-jointed

double standard

bigamy

double weave; double cloth

double bind

double quotes

dual diplomacy

diphthong

double exposure

double bond

redundant keigo (i.e. improper use of the -rareru honorific form together with an honorific verb such as ossharu)

second mortgage

double glazing

double collision

double standard

dual price system

full duplex; FDX

double exposure

double printing

bifocal

double duty

double standard of morality

half duplex; HDX

double taxation

dual ring

dual attachment concentrator

dual attachment station

duplex

double volcano

double jeopardy

double electron capture

dual pricing

double standard

issuing (the same receipt) twice; issuing duplicate (receipts)

digraph