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D−. In DICTIOUS you will not only get to know all the dictionary meanings for the word
D−, but we will also tell you about its etymology, its characteristics and you will know how to say
D− in singular and plural. Everything you need to know about the word
D− you have here. The definition of the word
D− will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
D−, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
Translingual
Etymology
D + −
Symbol
D−
- (chemistry) the first negative ion of deuterium
Coordinate terms
- 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
Pronunciation
Noun
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 sometimes the lowest passing grades.
Coordinate terms