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Definition

noun, plural: hydrophiles

(chemistry) A molecule or compound that is hydrophilic or having an affinity for water.

Supplement

Polar and ionic molecules are hydrophiles since they are attracted to water molecules as well as to other polar solvents.

Word origin: from the Greek hydros, water + philia, friendship.

Related forms: hydrophilicity (noun), hydrophilic (adjective).

Compare: hydrophobe.