 quadruplet |
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| 1. | [ noun ] one of four children born at the same time from the same pregnancy | |
| Synonyms: | quad | |
| Related terms: | sibling | |
| 2. | [ noun ] (mathematics) the cardinal number that is the sum of three and one | |
| Synonyms: | four 4 quaternity quatern tetrad quaternary quaternion quartet foursome Little_Joe IV | |
| Related terms: | digit | |
| 3. | [ noun ] a set of four similar things considered as a unit | |
| Synonyms: | quartette quartet | |
| Related terms: | set | |
| Similar spelling: |
quadruple quadruplex quadruplicate quadrupling quadrupedal quadruped quadriplegic quadriplegia |
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