reducer (HyperDic hyper-dictionary)

English > 2 senses of the word *reducer*:
NOUN	substance	reducer, reducing agent, reductant	a substance capable of bringing about the reduction of another substance as it itself is oxidized
NOUN	artifact	reducer	pipefitting that joins two pipes of different diameter

English > *reducer*: 2 senses > noun 1, substance
Meaning	A substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density / density of a negative or print by oxidizing some of the loose silver.
Synonyms	reducing agent, reductant
Narrower	hydrazine	A colorless fuming corrosive liquid / liquid
Broader	chemical agent	An agent that produces chemical reactions
Spanish	reductor
Catalan	agent reductor, reductor
Verbs	reduce	to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase / increase / increase in the number of electrons

English > *reducer*: 2 senses > noun 2, artifact
Meaning	pipefitting that joins two pipes of different diameter.
Broader	pipefitting, pipe fitting	fitting consisting of threaded pieces of pipe for joining pipes together

HyperDic: reducer