Although most crocodiles eat about 50 meals a year, they can survive a whole year, and sometimes even two or three years, without eating anything.
Vocabulary is commonly defined as all the words known and used by a particular person. Knowing a word, however, is not as simple as merely being able to recognize or use it. There are several aspects of word knowledge that are used to measure word knowledge.
Step 3 Refine you search terms by using controlled vocabulary. 1  Controlled vocabulary terms are standardized terms that databases or indexes use to organize information. Controlled vocabulary terms yield very specific results. 2  Library of Congress (LC) Subject Headings are the controlled vocabulary of the library catalo.