At half the height of a flame.

Pertaining to, furnished with, or expressed by letters of the alphabet. / According to the sequence of the letters of the alphabet. / (obsolete) literal

Treatment with phenol.

(pharmacology) A 3-hydroxy benzodiazepine derivative and analogue of temazepam that has hypnotic, sedative, amnesiac, anxiolytic, anticonvulsant and skeletal muscle relaxant properties.