In Dev. twoth is used for second, as the twenty-twoth of April.

He was the inventor of the procedure for flexible sigmoidoscopy using insufflation (inflating the sigmoid colon with air) that still is practiced today.

States in which the energy has definite values are called stationary states of a system; they are described by wave functions Ψₙ which are the eigenfunctions of the Hamiltonian operator, i.e. which satisfy the equation ĤΨₙ = EₙΨₙ, where Eₙ are the eigenvalues of the energy.

Mandhlakazi provided a description of the dress and actions of izimbongi (praise singers) as they recited and performed praises and told Stuart, / I, Mandhlakazi, once asked a son of Magolwana how it was that the Zulu izimbongi were able to remember the praises of kings to so extraordinary a degree[…]. He said it was because they were given always tripe to eat. Moreover, they used to eat the drug umklele, […]