Definition of patch testing in English:

patch testing

noun ˈpatʃ ˌtɛstɪŋ

Medicine

1940s; earliest use found in The Reno Evening Gazette. Originally from patch test + -ing. In later use also from patch-test + -ing.

nounˈpatʃ ˌtɛstɪŋ

Medicine

1940s; earliest use found in The Reno Evening Gazette. Originally from patch test + -ing. In later use also from patch-test + -ing.

单词	patch testing
释义	Definition of patch testing in English: patch testing noun ˈpatʃ ˌtɛstɪŋ Medicine The use of patch tests; the action of performing a patch test. Origin 1940s; earliest use found in The Reno Evening Gazette. Originally from patch test + -ing. In later use also from patch-test + -ing. Definition of patch testing in US English: patch testing nounˈpatʃ ˌtɛstɪŋ Medicine The use of patch tests; the action of performing a patch test. Origin 1940s; earliest use found in The Reno Evening Gazette. Originally from patch test + -ing. In later use also from patch-test + -ing.
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