16.4c Specialized terminology.

Foreign words are frequently used in specialized material, such as books on law, medicine, music, and cooking, and for scientific classifications in fields such as botany and zoology. If the meanings are explained in the text or in a glossary, such terms are contracted like English words, even though some of them may not be found in the dictionary. Example:

Some starlings, members of the species Sturnus vulgaris, are fine singers.