(music) A group of three notes played or written where two notes would ordinarily be; a form of tuplet. / (physics) A triquark. / (physics) A quantum state with three allowed projections for the spin.

plural of triplet

(physics, chemistry) The normal, paramagnetic state of diatomic molecular oxygen.

(historical) A photographic lens comprising a negative flint glass element in the centre with a crown glass element on each side.

plural of Cooke triplet

(mathematics) An ordered set of three prime numbers in which the smallest and largest of the three differ by six.

plural of linear triplet

(geometry) The three supplementary adjacent angles formed by three intersecting lines

plural of prime triplet

plural of tripleton