Fromd-glyceraldehyde, old name of(+)-glyceraldehyde.

D-

1. (chemistry) one of two mirror-image forms of anisomer (enantiomer) derived from (R)-glyceraldehyde. Written in small caps.

The prefixesL- andD- for enantiomers are not the same as lowercasel- andd- for levorotatory and dextrorotatory isomers, although there is substantial overlap in the physical chemistry (that is, sometimes they happen to coincide).

• L-

• DL-

• d-
• l-
• R-
• S-
• (RS)-

Fromdeca-/deka-. FromFrench SI metric system origins. FromLatindecas, fromAncient Greekδέκα(déka,“10”).

D-

1. (metrology)Nonstandard form ofda-(“deca-”).

   Synonyms:(deca-/deka-)Da-,DA-,dk-,Dk-,DK-

   Coordinate term:d- (deci-)

FromEnglishD-Day.

D‐• (di maineoseu)

1. ... days before the big event.

   오늘은여행D‐2야.

   Oneur-eun yeohaengdimaineoseu‐i-ya.

   It is 2 days before the trip today.