quasisymmetry noun2 •A mapping that preserves shape but allows size to change in a well-defined manner. •A pattern in which many copies of a viral protein form a huge spherical coating, where each subunit has an almost symmetrical arrangement with its neighbors.So-called “quasisymmetry” occurs if all subunits are chemically identical but have two slightly different conformations so that slightly different contacts can be made. — 2013 formsquasisymmetries
