We found 48 dictionaries that define the word thermometer:

General (27 matching dictionaries)

1. thermometer: Longman Dictionary of Contemporary English
2. thermometer: Merriam-Webster
3. thermometer: Oxford Learner's Dictionaries
4. thermometer: American Heritage Dictionary of the English Language
5. thermometer: Collins English Dictionary
6. thermometer: Vocabulary.com
7. Thermometer, thermometer: Wordnik
8. thermometer: Cambridge Advanced Learner's Dictionary
9. thermometer: Wiktionary
10. thermometer: Webster's New World College Dictionary, 4th Ed.
11. thermometer: The Wordsmyth English Dictionary-Thesaurus
12. thermometer: Infoplease Dictionary
13. thermometer: Dictionary.com
14. thermometer: Online Etymology Dictionary
15. thermometer: Cambridge Essential American English Dictionary
16. Thermometer: Wikipedia, the Free Encyclopedia
17. Thermometer: Online Plain Text English Dictionary
18. thermometer: Webster's Revised Unabridged, 1913 Edition
19. thermometer: Rhymezone
20. Thermometer (nt), thermometer, thermometer (de): AllWords.com Multi-Lingual Dictionary
21. thermometer: Webster's 1828 Dictionary
22. thermometer: FreeDictionary.org
23. thermometer: Mnemonic Dictionary
24. thermometer: TheFreeDictionary.com
25. thermometer: Wikimedia Commons US English Pronunciations

Business (1 matching dictionary)

26. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

27. thermometer: Encyclopedia

Medicine (6 matching dictionaries)

28. thermometer: Merriam-Webster Medical Dictionary
29. Dorland's Illustrated Medical Dictionary (No longer online)
30. Thermometer: MedTerms.com Medical Dictionary
31. online medical dictionary (No longer online)
32. thermometer: Medical dictionary
33. Thermometer: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)

34. Brilliant Dream Dictionary (No longer online)

Science (5 matching dictionaries)

35. thermometer: LITTLE EXPLORERS(TM) Picture Dictionary
36. Thermometer: Eric Weisstein's World of Physics
37. General Chemistry Online (No longer online)
38. Fishkeeping glossary (No longer online)
39. Weather Glossary (No longer online)

Slang (2 matching dictionaries)

40. thermometer: Green’s Dictionary of Slang
41. Thermometer: Urban Dictionary

Tech (5 matching dictionaries)

42. AUTOMOTIVE TERMS (No longer online)
43. Glossary of Meteorology (No longer online)
44. Explosives (No longer online)
45. National Weather Service Glossary (No longer online)
46. THERMOMETER: Power Engineering

(Note: See thermometers as well.)

Definitions from Wiktionary ( ) ▸ noun:  An apparatus used to measure temperature. Similar: thermometre, thermograph, telethermometer, telethermograph, thermomanometer, thermometrograph, electrothermometer, thermoscope, digital thermometer, telethermoscope, more... Opposite: hygrometer Types: mercury, digital, infrared, bimetallic, alcohol, thermocouple, thermistor, liquid crystal, more... Phrases: resistance thermometer, meat thermometer, mercury thermometer, gas thermometer, candy thermometer, more... Adjectives: clinical, ordinary, mercurial, rectal, standard, differential, wet, minimum, glass, digital, delicate Colors:     red,     blue,     white,     silver,     black, more... ▸ Word origin ▸ Words similar to thermometer ▸ Usage examples for thermometer ▸ Idioms related to thermometer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thermometer ▸ Words that often appear near thermometer ▸ Rhymes of thermometer ▸ Invented words related to thermometer