plural of Eastern Orthodox Church

plural of orthogonal group

(group theory) For given n and field F (especially where F is the real numbers), the group of n × n orthogonal matrices with elements in F, where the group operation is matrix multiplication.

(dentistry) A thin strip of metal, cemented to the crown of a tooth, to which wires are attached in order to reposition teeth

(linear algebra) A square matrix whose columns, considered as vectors, are orthonormal to each other. This implies that the transpose of such a matrix is also its inverse.

plural of orthocaine

Methyl m-amino-p-hydroxybenzoate, a fine white crystalline powder used as an anesthetic on open wounds.

(orthography) A word that differs from another word of the same length by only one letter.

plural of orthographic neighbor

plural of orthographic neighbour