cluster
n.
Old English clyster "cluster," probably from the same root as clot, n.. Of stars, from 1727. Cluster-bomb attested from 1967.
v.
late 14c. (transitive), from cluster, n.. Intransitive sense from 1540s. Related: Clustered; clustering.
| 词汇 | cluster |
| 词根词缀 | Online Etymology Dictionary cluster n. Old English clyster "cluster," probably from the same root as clot, n.. Of stars, from 1727. Cluster-bomb attested from 1967. v. late 14c. (transitive), from cluster, n.. Intransitive sense from 1540s. Related: Clustered; clustering. |
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