accountable mail
A category of mail in the US Postal Service including registered, numbered, insured,…A category of mail in the US Postal Service including registered, numbered, insured, and certified mail.
Meaning
1 senses(US, uncountable, usually)A category of mail in the US Postal Service including registered, numbered, insured, and certified mail.
Forms
plural: accountable mails| Singular | accountable mail |
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uncountable
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable