biparous

WordNet 3.6
 adj biparous producing two offspring at a time
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Webster's Revised Unabridged Dictionary

 a Biparous Bringing forth two at a birth.
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Century Dictionary and Cyclopedia

 biparous Bringing forth two at a birth.
 biparous In botany, having two branches or axes: applied to a cyme.
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Chambers's Twentieth Century Dictionary

 adj Biparous bip′arus bearing two at a birth.
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Webster's Revised Unabridged Dictionary
L. bis, twice + parere, to bring forth
Chambers's Twentieth Century Dictionary
L. bis, twice, parĕre, to bring forth.
In science:
This is done by choosing a proper bipar tite regular graph (of tests and variable nodes) for the ﬁrst stage of the detection.
Group Testing with Random Pools: optimal twostage algorithms
Fur thermore we prove that this optimal value is also attained on average over a random bipar tite graph where all variables have the same degree, while the tests have Poissondistributed degrees.
Group Testing with Random Pools: optimal twostage algorithms
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