|naturalize or naturalise (ˈnætʃrəˌlaɪz, -tʃərə-, ˈnætʃrəˌlaɪz, -tʃərə-)|
|1.||(tr) to give citizenship to (a person of foreign birth)|
|2.||to be or cause to be adopted in another place, as a word, custom, etc|
|3.||(tr) to introduce (a plant or animal from another region) and cause it to adapt to local conditions|
|4.||(intr) (of a plant or animal) to adapt successfully to a foreign environment and spread there|
|5.||(tr) to explain (something unusual) with reference to nature, excluding the supernatural|
|6.||(tr) to make natural or more lifelike|
|naturalise or naturalise|
|naturali'zation or naturalise|
|naturali'sation or naturalise|
|naturalize (nāch'ər-ə-līz') Pronunciation Key
To establish a nonnative species in a region where it is able to reproduce successfully and live alongside native species in the wild. Naturalized species may be introduced intentionally or unintentionally. Eucalyptus trees are native to Australia but have become naturalized in many other parts of the world.
The process by which a foreign citizen becomes a citizen of a new country. Millions of immigrants to the United States have become American citizens. Requirements for naturalization in the United States include residency for several years, ability to communicate in English, demonstrated knowledge of American history and government, and a dedication to American values that includes no membership in subversive organizations, such as the Communist party.