The word bilateral we use it extensively in our language when we want to express that which is relative to both sides.
And on the other hand, in the field of diplomacy, international relations, the word bilateral is a widely used concept since it is used to account for the pact, the agreement or the negotiation in which two parties that have agreed on an issue intervene. Argentina and Venezuela signed a bilateral agreement on hydrocarbons very beneficial for both states.
The bilateral contract It is the official document through which the aforementioned agreements between two parties in relation to a matter are generally reflected. It should be noted that the signing of this agreement will immediately generate reciprocal obligations and rights between the intervening parties that of course, as in any other contract, must be strictly respected because otherwise a sanction may be received, and also, because in that In this case, the agreed agreement runs a certain risk of being interrupted.
On the other hand, at the request of the biology, the word in question also has a special use since it helps to compose a concept such as that of bilateral symmetry. Bilateral symmetry designates that single plane, the sagittal plane (perpendicular to the ground and at right angles to the frontal planes), by which the body of animals and human beings is divided into two equal, identical parts, one half corresponds to the right side and the other to the left.
Meanwhile, in the field of diagnostic medicine We also find this word, more precisely with regard to diagnostic studies that detect breast pathologies, such is the case of the bilateral mammogram. It consists of an X-ray that is carried out on both breasts of a woman and whose mission is to analyze the breast tissue.
Among the synonyms that are most used for this concept, the one of double, while the opposing concept is that of univocal.