(arithmetic) A set of numerals for representing numbers.

Alternative spelling of username

A state of the United States.

A system of music notation designed to facilitate choral singing, and the style of psalmody associated with it. The heads of the notes are of various shapes, not always round.

(idiomatic) Superlative; impossible to beat.

(US) Acronym of National Organization for Women.

To pay attention; to take notice; to note.

A measure of the antiknock properties of an automobile fuel; isooctane having an octane number of 100, a fuel with the same antiknock properties as a mixture of 90% isooctane and 10% heptane having an octane number of 90.

Alternative spelling of nonzero

The fundamental set of qualities, and the range of behaviour, shared by all humans.