con·​ver·​sion | \ kən-ˈvər-zhən How to pronounce conversion (audio) , -shən \

Definition of conversion

1 : the act of converting : the process of being converted
2 : an experience associated with the definite and decisive adoption of a religion
3a : the operation of finding a converse in logic or mathematics
b : reduction of a mathematical expression by clearing of fractions
4 : a successful attempt for a point or points especially after a touchdown or for a first down a 2-point conversion a third-down conversion
5 : something converted from one use to another

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Other Words from conversion

conversional \ kən-​ˈvərzh-​nəl How to pronounce conversional (audio) ; -​ˈvər-​zhə-​ , -​ˈvər-​shnəl , -​shə-​nᵊl \ adjective

Examples of conversion in a Sentence

The company is undergoing a conversion to a new computer system. They have suggested conversion of the old school into apartments. Conversion to gas heating will continue over the next few years. a conversion from Catholicism to Judaism He is thinking about conversion to Buddhism.
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Recent Examples on the Web Established in 2018, the Healthy Lakewood Foundation was created to ensure that remaining assets from the conversion of Lakewood Hospital will continue to benefit the health and wellness of residents in the city. John Benson, cleveland, "Healthy Lakewood Foundation to announce third round of grants at Sept. 16 virtual meeting," 9 Sep. 2020 The conversion of grassland, savannah, forest and wetland habitats, the overexploitation of wildlife, the introduction of non-native species and climate change are the key drivers of the drop. Amy Woodyatt, CNN, "World's wildlife populations have fallen by an average of 68% in four decades, World Wildlife Fund says," 9 Sep. 2020 The $3 million was used to pay for the conversion of several staff residences into one home. Simon Perry,, "Prince Harry and Meghan Markle 'Are No Longer Receiving Any Financial Support' from Prince Charles," 8 Sep. 2020 Strop walked six in only 2 1/3 innings with the Reds, whose bullpen had a 5.36 ERA and a 45 percent save conversion rate entering play Saturday. Mark Gonzales,, "Despite 2 home runs from Ian Happ, the Cubs can’t compensate for their many downfalls in 4-2 loss to Cardinals," 5 Sep. 2020 Naricuss Driver kept for the 1-yard touchdown, then hit tight end Luke Baker for the conversion. Creg Stephenson |, al, "Quarter-by-quarter look at South Alabama’s 32-21 victory at Southern Miss," 4 Sep. 2020 Revol Green’s conversion of a tomato and green pepper greenhouse in California to lettuce production likely will be complete in the first quarter of 2021, Schulze said. Todd Nelson Special To The Star Tribune, Star Tribune, "New Revol Greens CEO brings Cargill experience to greenhouse lettuce expansion, national push," 23 Aug. 2020 Todd Interests is finishing up a conversion of the historic skyscraper into a combination of apartments, hotel rooms, retail and office space. Steve Brown, Dallas News, "Downtown Dallas landmark skyscraper will shine again this week," 4 Aug. 2020 In a game surely to be a Hudl favorite, Branam passed for three scores, ran for two touchdowns and a two-point conversion and drilled a 28-yard field goal. Scott Springer, The Enquirer, "'He's the best quarterback in Ohio': Is anyone watching La Salle quarterback Zach Branam?," 1 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conversion.' 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 conversion

14th century, in the meaning defined at sense 1

History and Etymology for conversion

Middle English, from Anglo-French, from Latin conversion-, conversio, from convertere

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Time Traveler for conversion

Time Traveler

The first known use of conversion was in the 14th century

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Statistics for conversion

Last Updated

16 Sep 2020

Cite this Entry

“Conversion.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

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More Definitions for conversion


How to pronounce conversion (audio)

English Language Learners Definition of conversion

: the act or process of changing from one form, state, etc., to another
: the act or process of changing from one religion, belief, political party, etc., to another
: a successful attempt at scoring extra points in rugby or American football


con·​ver·​sion | \ kən-ˈvər-zhən How to pronounce conversion (audio) \

Kids Definition of conversion

1 : the act of changing : the process of being changed They've finished the conversion of the old school into an apartment building.
2 : a change of religion


con·​ver·​sion | \ kən-ˈvər-zhən, -shən How to pronounce conversion (audio) \

Medical Definition of conversion

1 : the transformation of an unconscious mental conflict into a symbolically equivalent bodily symptom

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con·​ver·​sion | \ kən-ˈvər-zhən How to pronounce conversion (audio) \

Legal Definition of conversion

1a : the act of changing from one form or use to another
b : the act of exchanging one kind of property for another especially : the act of exchanging preferred stocks or bonds for shares of common stock of the same company usually at a preset ratio or price and at a preset time
equitable conversion
: the constructive conversion of real property into personal property especially as a result of a contract for sale of land or testamentary instructions to sell real estate and divide the proceeds

Note: Equitable conversion is a legal fiction under which the seller of a real property becomes, upon the execution of a contract for the sale of the property, the owner of personal property in the form of legal title to the property that secures payment of the purchase price. The purchaser is deemed to be the holder of equitable title in and owner of the real property, having the rights and being subject to the liabilities that attend that status. In the case of a will in which a property owner authorizes the sale of real property and distribution of the proceeds, the property transforms into personalty by equitable conversion upon the owner's death.

involuntary conversion
: the conversion of property into other property as compensation for the theft, destruction, seizure, requisition, or condemnation of the original property

Note: For income tax purposes, involuntary conversions are generally taxable, and the gain or loss is computed by offsetting the basis of the property against the compensation received (as from insurance).

2 : the crime or tort of interfering with the ownership of another's movable or personal property without authorization or justification (as a lien) and especially of depriving the owner of use and possession — see also fraudulent conversion

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Comments on conversion

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