tare

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noun \ˈter\

Definition of tare

1a : the seed of a vetchb : any of several vetches (especially Vicia sativa and V. hirsuta)
2 : a weed of grain fields especially of Biblical times that is usually held to be the darnel
3 tares plural : an undesirable element

Middle English; probably akin to Middle Dutch tarwe wheat

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First Known Use: 14th century

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noun

1 : a deduction from the gross weight of a substance and its container made in allowance for the weight of the container; also : the weight of the container
2 : counterweight

Middle English, from Anglo-French, from Old Italian tara, from Arabic ṭarḥa, literally, that which is removed

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First Known Use: 15th century

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verb

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transitive verb
1 : to ascertain or mark the tare of (see ²tare 1); especially : to weigh so as to determine the tare a tared vessel
2 : to adjust (a scale on which an empty container has been placed) so as to reduce the displayed weight to zero Balances are taken for granted now, and many tare themselves—among other features. Yet it's still important to remember the basics for accurate use of this most fundamental lab instrument. — Chemistry

1812

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noun \ˈta(ə)r, ˈte(ə)r\

1: a deduction from the gross weight of a substance and its container made in allowance for the weight of the container
2: an empty vessel that is similar in physical properties to a weighing container and that is used as a counterbalance to compensate for changes in the weight of the weighing container due to changes in environmental conditions (as temperature or moisture)