treat of en · VERB
Meanings
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(dated) To deal with (a subject).
In the same way, palaeichthyology, or that branch of natural science which treats of fossil fishes, extends our information from the existing fauna back to the earliest advent of vertebrate life upon our globe […]
1905, Charles Rochester Eastman, A brief general account of fossil fishes:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| treating of | Tense=Pres, VerbForm=Part | lexicographic | |
| treated of | Tense=Past, VerbForm=Part | lexicographic | |
| treated of | Tense=Past | lexicographic | |
| treats of | Number=Sing, Person=3, Tense=Pres | lexicographic |