zero-rate

[ zeer-oh-reyt ]
/ ˈzɪər oʊˌreɪt /

verb (used with object), ze·ro-rat·ed, ze·ro-rat·ing. Chiefly British.

to exempt (merchandise or services) from value-added tax.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019