20 entries under idiom topic. ×

7
melting pot(noun, expression, retort)
2
test tube(expression, experiment)
1
cross to bear(noun, expression, trouble, bother)
1
pain in the neck(noun, expression, trouble, blow)
1
pestle and mortar
0
analytical instruments(expression, experiment)
0
combustion chamber(expression, furnace)
0
curcuma paper(expression, experiment)
0
electric furnace(expression, furnace)
0
electric heater(expression, furnace)
0
electric resistance heat(expression, furnace)
0
fiery furnace(expression, furnace)
0
induction furnace(expression, furnace)
0
litmus paper(expression, experiment)
0
muffle furnace(expression, furnace)
0
seething caldron(expression, furnace)
0
stir the embers(expression, reproduction)
0
turmeric paper(expression, experiment)
0
waffle irons(expression, furnace)
0
warming pan(expression, furnace)
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APASmart Define. (2015). crucible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/crucible/thesaurus/synonyms
ChicagoSmart Define. 2015. "crucible thesaurus" https://smartdefine.org/crucible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, crucible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/crucible/thesaurus/synonyms>.
MLASmart Define. "crucible thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/crucible/thesaurus/synonyms>