D−
See also: D- and Appendix:Variations of "d"
Translingual
editAlternative forms
edit- D−
- D-
Etymology
editSymbol
editD−
Coordinate terms
edit- D+ — the positive ion of deuterium
- D — neutral deuterium radical
- H− (H-) — the first negative ion of protium
- H — neutral protium radical
- H+ (p) — the positive ion of protium
- T− (T-) — the first negative ion of tritium
- T — neutral tritium radical
- T+ — the positive ion of tritium
- H− (H-) — the first negative ion of hydrogen
- H — neutral hydrogen radical
- H+ — the positive ion of hydrogen
English
editPronunciation
editNoun
editD− (plural D−'s)
- An academic grade given by certain institutions. Slightly better than an F+ and slightly worse than a D. D minuses are the lowest passing grades.