A separation or division into two; a distinction that results in such a division.
The division of a genus into two species; a division into two subordinate parts.
A phase of the moon when it appears half lit and half dark, as at the quadratures.
Such a division involving apparently incompatible or opposite principles; a duality.
The division of a class into two disjoint subclasses that are together comprehensive, as the division of man into white and not white.
Division and subdivision; bifurcation, as of a stem of a plant or a vein of the body into two parts as it proceeds from its origin; often successive.
The act of parting or dividing; the state of being parted; division; separation.
The surface of the sand of one section of a mould where it meets that of another section.
A joint or fissure, as in a coal seam.
The dividing line formed by combing the hair in different directions; part (US)
The separation and determination of alloys; especially, the separation, as by acids, of gold from silver in the assay button.
A farewell, the act of departing politely.
The breaking, as of a cable, by violence.
Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae.