Note that this entry uses the hyphen. See also D− which uses the minus sign.

TranslingualEdit

Etymology 1Edit

From d-glyceraldehyde, old name of (+)-glyceraldehyde.

PrefixEdit

D-

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

The prefixes L- and D- for enantiomers are not the same as lowercase l- and d- for levorotatory and dextrorotatory isomers, although there is substantial overlap in the physical chemistry (that is, sometimes they happen to coincide).

AntonymsEdit
Coordinate termsEdit
See alsoEdit

Etymology 2Edit

From deca-/deka-. From French SI metric system origins. From Latin decas, from Ancient Greek δέκα (déka, 10).

PrefixEdit

D-

  1. (metrology) Nonstandard form of da- (deca-).
    Synonyms: (deca-/deka-) Da-, DA-, dk-, Dk-, DK-
    Coordinate term: d- (deci-)

KoreanEdit

EtymologyEdit

From English D-Day.

PrefixEdit

D‐ (di maineoseu)

  1. ... days before the big event.
    오늘 여행 D2.
    Oneur-eun yeohaeng dimaineoseu‐i-ya.
    It is 2 days before the trip today.