Which can help readers define words?stresed syllables,part of speech,pronunciation,etymological patterns

All of the mentioned options can help readers define words, but they serve different purposes:

1. Stressed syllables: Identifying the stressed syllables in a word can help readers understand its pronunciation and rhythm. It is particularly useful in languages with specific stress patterns, such as English. For example, knowing that the word "re-search" is stressed on the second syllable can assist readers in correctly pronouncing the word.

2. Part of speech: Determining the part of speech of a word (e.g., noun, verb, adjective, etc.) provides readers with information about how the word functions in a sentence. This knowledge helps readers understand the word's meaning and usage within different contexts.

3. Pronunciation: Understanding the correct pronunciation of a word aids readers in correctly articulating it. Various pronunciation guides, such as symbols in dictionaries or phonetic spellings, can assist readers in accurately sounding out a word.

4. Etymological patterns: Etymology refers to the study of the origin and historical development of words. Knowing the etymology of a word can provide readers with insights into its history, connections with other words, and its original meaning. This can help readers understand the word's semantic evolution and apply that knowledge to deduce its current meaning.

In conclusion, stressed syllables, part of speech, pronunciation, and etymological patterns are all valuable tools that readers can use to define words effectively. Depending on the context and goal, readers may find one or more of these approaches helpful.