You want to determine how many syllables are in the word cordial.
which reference material would be most useful?
dictionary
glossary
thesaurus
encyclopedia

dictionary

I want to determine the number of syllables in the word cordial. The reference material that would be more useful for is the dictionary. A dictionary is a ready reference information source that contains words with their meanings that are arrange in alphabetical order for easy access and retrieval. The words in the dictionary also contains the correct syllabication of the word, the correct spelling, the part of speech the word belongs and of course the definition of the words.

People should wear a mask during the pandemic because there is less chances of getting sick or spreading the antibodies.