Singular

'''Singular''' may refer to: * Singular, the grammatical number that denotes a unit quantity, as opposed to the plural and other forms * Singular or sounder, a group of boar, see List of animal names * Singular (band), a Thai jazz pop duo *''Singular: Act I'', a 2018 studio album by Sabrina Carpenter *''Singular: Act II'', a 2019 studio album by Sabrina Carpenter

==Mathematics== * Singular homology * SINGULAR, an open source Computer Algebra System (CAS) * Singular matrix, a matrix that is not invertible * Singular measure, a measure or probability distribution whose support has zero Lebesgue (or other) measure * Singular cardinal, an infinite cardinal number that is not a regular cardinal * Singular point of a curve, in geometry

==See also== * Singularity * Singulair, Merck trademark for the drug Montelukast * Cingular Wireless, a mobile network operator in North America