ETR

Definitions

(Abbreviation) Express Toll Route

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(Abbreviation) Eastern Test Range

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(Abbreviation) Electronic Toll Route

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(Abbreviation) Essex Terminal Railway

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(Abbreviation) Education Training Research

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(Abbreviation) Electronically Tuned Receiver

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(Abbreviation) Employee Travel Reimbursement

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(Abbreviation) East Turkistan Republic

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(Abbreviation) Eastern Turkestan Republic

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(Abbreviation) Electronic Training Range

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(Abbreviation) Engineering Technology Research

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(Abbreviation) Enhanced Trust Reporting