D−
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See also: D- and Appendix:Variations of "d"
Translingual
[edit]Alternative forms
[edit]- D−
- D-
Etymology
[edit]Symbol
[edit]D−
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
[edit]Pronunciation
[edit]Noun
[edit]D− (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.