Answer:
1.
MATHEMATICS
an algebraic expression of the sum or the difference of two terms.
2.
a two-part name, especially the Latin name of a species of living organism (consisting of the genus followed by the specific epithet).
3.
GRAMMAR
a noun phrase with two heads joined by a conjunction, in which the order is relatively fixed (as in knife and fork ).
adjective
adjective: binomial
1.
MATHEMATICS
consisting of two terms.
relating to a binomial or to the binomial theorem.
2.
having or using two names (used especially of the Latin name of a species of living organism).
Explanation: