(obsolete, rare) Alternative spelling of quakebuttock.

(quantum mechanics) The process of reconstructing the quantum state (density matrix) for a source of quantum systems by measurement on the systems coming from the source.

plural of quadratic formula

(Latin, phonetics) The pronunciation (long or short) of a vowel that appears before two consonants. / Used other than figuratively or idiomatically: see hidden, quantity.

(Christianity) The first Sunday in Lent, the sixth before Easter.

Alternative form of outqualify

A bird, the turnstone.

Synonym of pick a fight

(historical) A member of a now largely defunct American Quaker (Christian) sect which did not adhere to the Peace Testimony and therefore supported or engaged in military action during the American Revolutionary War.

(intransitive, epidemiology) To refrain from physical contact with other individuals, especially in order to reduce the transmission of a contagious disease.