We found 13 dictionaries that define the word birth defects:

General (7 matching dictionaries)

1. birth defects: Merriam-Webster
2. birth defects: Collins English Dictionary
3. birth defects: Vocabulary.com
4. birth defects: Cambridge Advanced Learner's Dictionary
5. birth defects: Wiktionary
6. Birth defects: Wikipedia, the Free Encyclopedia
7. Birth defects: TheFreeDictionary.com

Business (1 matching dictionary)

8. Birth defects: Legal dictionary

Computing (1 matching dictionary)

9. birth defects: Encyclopedia

Medicine (4 matching dictionaries)

10. birth defects: Merriam-Webster Medical Dictionary
11. Birth defects: Merck Manuals
12. Specific Diseases/Disorders (No longer online)
13. Birth Defects: Medical dictionary

(Note: See birth_defect as well.)

Definitions from Wiktionary (birth defect) ▸ noun:  (medicine) Any of several medical disorders that are present at birth. ▸ Also see birth_defect ▸ Words similar to birth defects ▸ Usage examples for birth defects ▸ Idioms related to birth defects ▸ Wikipedia articles (New!) ▸ Words that often appear near birth defects ▸ Rhymes of birth defects ▸ Invented words related to birth defects