so·​di·​um | \ ˈsō-dē-əm How to pronounce sodium (audio) \

Definition of sodium

: a silver-white soft waxy ductile element of the alkali metal group that occurs abundantly in nature in combined form and is very active chemically — see Chemical Elements Table

Examples of sodium in a Sentence

Recent Examples on the Web

Consuming high amounts of sodium and low amounts of potassium can increase risk of heart disease and stroke. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Is Butternut Squash Healthy? All the Nutritional Benefits of This Fall Superfood," 3 Sep. 2019 Even a meal that's relatively modest by the menu's standards (one breadstick, a bowl of minestrone, a salad with Italian house dressing, and spaghetti with marinara sauce) rings up more than a day's worth of sodium. Kate Bowers, Fortune, "Olive Garden Carbo-Loads Its Popular Pasta Promotion," 13 Aug. 2019 The beef patty contains only 65 to 75 milligrams of sodium, depending on the brand, and the turkey burger has 95 to 115 milligrams. Lisa Drayer, CNN, "They might be better for the planet, but are plant-based burgers good for you?," 9 Aug. 2019 Just one serving has 1,140mg of sodium and 11g of fat. Samantha Lefave, Redbook, "I Fed My 4-Year-Old Kid Frozen Dinners for a Week," 18 May 2017 The most common ions that regulate nerve cell signaling are sodium, potassium, calcium and chloride. Jenny Wilkerson,, "Is CBD a rising star or just a popular fad?," 12 Sep. 2019 Try it: Five large or 10 small olives is a great portion to soak up benefits without having too much sodium (which gives olives their delicious salty flavor). SELF, "19 Healthy, High-Fat Foods to Keep You Full and Satisfied," 8 Aug. 2019 Named the Xtreme Eating Awards, every menu item that made this year’s list is between 1,500 and 2,300 calories and contains at least a day’s worth of sugar, salt, sodium, or saturated fat. Maria Pasquini,, "Annual List of 'Unhealthiest' Chain Restaurant Dishes Is Here — See Which Ones Are the Most Caloric," 2 Aug. 2019 The company was extremely clear about what the drink did not include: calories, sugars, sodium, artificial ingredients, GMOs. Rachel Sugar, Vox, "How we stopped counting calories and learned to love Spindrift," 29 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sodium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sodium

1807, in the meaning defined above

History and Etymology for sodium

New Latin, from English soda

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Statistics for sodium

Last Updated

7 Oct 2019

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Time Traveler for sodium

The first known use of sodium was in 1807

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More Definitions for sodium



English Language Learners Definition of sodium

: a soft silver-white element that is found in salt, baking soda, and other compounds


so·​di·​um | \ ˈsō-dē-əm How to pronounce sodium (audio) \

Kids Definition of sodium

: a soft waxy silver-white chemical element occurring in nature in combined form (as in salt)


so·​di·​um | \ ˈsōd-ē-əm How to pronounce sodium (audio) \

Medical Definition of sodium

: a silver white soft waxy ductile element of the alkali metal group that occurs abundantly in nature in combined form and is very active chemically symbol Na — see Chemical Elements Table

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More from Merriam-Webster on sodium

Rhyming Dictionary: Words that rhyme with sodium

Spanish Central: Translation of sodium

Nglish: Translation of sodium for Spanish Speakers

Britannica English: Translation of sodium for Arabic Speakers Encyclopedia article about sodium

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