We found 29 dictionaries that define the word coolant:

General (20 matching dictionaries)

1. coolant: Merriam-Webster
2. coolant: Oxford Learner's Dictionaries
3. coolant: American Heritage Dictionary of the English Language
4. coolant: Collins English Dictionary
5. coolant: Vocabulary.com
6. Coolant, coolant: Wordnik
7. coolant: Cambridge Advanced Learner's Dictionary
8. coolant: Wiktionary
9. coolant: Webster's New World College Dictionary, 4th Ed.
10. coolant: The Wordsmyth English Dictionary-Thesaurus
11. coolant: Infoplease Dictionary
12. coolant: Dictionary.com
13. Coolant: Wikipedia, the Free Encyclopedia
14. coolant: Rhymezone
15. coolant: FreeDictionary.org
16. coolant: Mnemonic Dictionary
17. coolant: TheFreeDictionary.com
18. coolant: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

19. coolant: Encyclopedia

Medicine (2 matching dictionaries)

20. online medical dictionary (No longer online)
21. coolant: Medical dictionary

Science (1 matching dictionary)

22. Coolant: NRC Glossary of Nuclear Terms --

Tech (5 matching dictionaries)

23. AUTOMOTIVE TERMS (No longer online)
24. National Glass Association Glossary (No longer online)
25. Lake and Water Word Glossary (No longer online)
26. Oil Analysis (No longer online)
27. Nuclear Terms (No longer online)

(Note: See coolants as well.)

Definitions from Wiktionary ( ) ▸ noun:  A medium, usually fluid, used to draw heat from an object. Similar: water cooler, vapocoolant, cooler, overcooler, thermocirculator, heat sink, cooling plant, olla, radiator, chiller, more... Opposite: heater, warmer, heating element Types: water, glycol, silicone, more... Phrases: engine coolant, coolant system, coolant pump, Nuclear reactor coolant, more... Adjectives: primary, liquid, hot, secondary, suitable, organic, gaseous, loss, heavy, heated, effective Colors:     blue,     green,     yellow,     pink,     orange, more... ▸ Words similar to coolant ▸ Usage examples for coolant ▸ Idioms related to coolant ▸ Wikipedia articles (New!) ▸ Popular adjectives describing coolant ▸ Words that often appear near coolant ▸ Rhymes of coolant ▸ Invented words related to coolant