Definitions
from The Century Dictionary.
- Containing live molecules of water in combination, as crystallized cupric sulphate or common blue vitriol, CuSO4.5H2O.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry Combined with five molecules of
water
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From penta- + hydrated
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