nt]
| 1. | ruling, governing, or controlling; having or exerting authority or influence: dominant in the chain of command. |
| 2. | occupying or being in a commanding or elevated position. |
| 3. | predominant; main; major; chief: Corn is the dominant crop of Iowa. |
| 4. | Genetics. of or pertaining to a dominant. |
| 5. | Music. pertaining to or based on the dominant: the dominant chord. |
| 6. | Genetics.
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| 7. | Music. the fifth tone of a diatonic scale. |
| 8. | Ecology. any of one or more types of plants, or sometimes animals, that by virtue of abundance, size, or habits exert so important an influence on the conditions of an area as to determine, to a great extent, what other organisms can live there. |

dominant dom·i·nant (dŏm'ə-nənt)
adj.
Exercising the most influence or control.
Of, relating to, or being an allele that produces the same phenotypic effect whether inherited with a homozygous or heterozygous allele.
A dominant allele or trait.
An organism having a dominant trait.
dominant (dŏm'ə-nənt) Pronunciation Key
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dominant
in music, the fifth tone or degree of a diatonic scale (i.e., any of the major or minor scales of the tonal harmonic system), or the triad built upon this degree. In the key of C, for example, the dominant degree is the note G; the dominant triad is formed by the notes G-B-D in the key of C major or C minor. For further explanations of these relationships, see also cadence and harmony
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