IXL | Use dictionary entries | 7th grade language arts

Select the entry word in this dictionary entry.

concentration \kon-suhn-trey-shuhn\ noun pl concentrations 1. the amount of a dissolved substance in a given volume: The chemist reduced the concentration of the solution by adding water. 2. a large amount in one location: Can you see that concentration of stars in the eastern sky? 3. the ability to focus attention: After Mr. Browning took a nap, his concentration was improved for the rest of the day. 4. the act of focusing on a single object or activity: Although it was unusually noisy in the library today, Ted didn't lose his concentration. — from Latin

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Select the plural form of the entry word in this dictionary entry.

union \yoon-yuhn\ noun pl unions 1. a bond that results from joining two or more things: Marriage is a union that strengthens society. 2. an organization of workers joined to protect their rights and interests: The union decided to strike after salary negotiations failed. 3. a group of states or nations joined into a larger political body: After World War II, several European countries began working to form a union. 4. a device for connecting parts of a machine: I'm missing the union that joins the two water pipes together. — from Latin

key idea

A dictionary entry gives you many kinds of information about a word.

check

chek\

noun

checks

an inspection:

The

pilot conducted a safety check before takeoff. 2. a bill at a restaurant: We finished our meal and then asked for the check. 3. a written order telling a bank to pay out money from a specified account: My grandparents sent me a check for my birthday.

—

from Anglo-French (eschec)

The entry word is the word you look up. Entry words are listed in alphabetical order.

The pronunciation tells you how the word should sound.

The part of speech tells you whether the entry word is a verb, an adjective, or some other part of speech.

The different forms of the entry word are listed so that you can see how to spell them. Most dictionaries list the plural forms for noun entry words, comparative and superlative forms for adjective entry words, and the conjugations for verb entry words.

A definition tells you what the entry word means. If an entry word has more than one meaning, then each meaning is numbered.

A sample sentence shows you how the word can be used in context.

The etymology shows you the word's origin.

solution

The plural form of the noun is unions.

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