Simple categories matching hydrous:

• material,
• silicate,
• part,
• mineral,
• sulfate,
• food,

Members with property hydrous:

• phosphate,
• corn_starch,
• chemical,
• amphibole,
• biotite,
• paragonite,
• phlogopite,
• mica,
• clay,
• clay_mineral,
• cordierite,
• brown_mica,
• chlorite,
• cellulose,
• pyrophyllite,
• feldspar,
• muscovite,
• carbonate,
• tremolite,
• sparse_biotite,
• slurry,
• amphibolite,
• apatite,
• cream,
• synthetic,
• coffee,
• raw_milk,
• talc,
• actinolite,
• noodle,
• zeolite,
• asbestos_paper,
• gypsum,
• hornblende,
• water,
• olivine,
• milk,
• tofu,
• tourmaline,
• sulphide,