phraseology

noun

1. (uncountable, usually)Study of set or fixed expressions.
2. (uncountable, usually)The style in which words and phrases are used in writing or speech.

   “I was riding through the forest, when suddenly (pray correct my phraseology if too worldly—you know I am not well read in these epics of the heart) I saw a knight and his lady traversing one of the glades; the golden sunshine fell athwart the green leaves, and showed their white steeds and whiter plumes, while the air around grew musical with their gentle words and laughter.”

3. (uncountable, usually)A group of specialized words and expressions used by a particular group.

   “Fortunately, two servants she had brought with her, were devotedly attached to their mistress; and the others only entering her apartments at rare intervals, did not understand her mystic allusions; and she now, more than ever, affected to veil her meaning under the mysterious phraseology so much adopted by the Jacobites.”

   “Light is, therefore, only an attendant circumstance in the production of the photo­graphic picture; and this seems proved by the fact of one body impressing its image upon another in the dark, when the bodies are ap­proximated at what, in electrical phraseology, is called the striking distance.”

   “Railway grouping had caused some peculiarly Scottish phraseology to disappear, though the note "Stops on timous notice to the guard" survived until comparatively recently.”

4. (uncountable, usually)A collection of phrases; a phrasebook.