Library / English Dictionary |
REDUCER
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
Pipefitting that joins two pipes of different diameter
Classified under:
Nouns denoting man-made objects
Hypernyms ("reducer" is a kind of...):
pipe fitting; pipefitting (fitting consisting of threaded pieces of pipe for joining pipes together)
Sense 2
Meaning:
A substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
Synonyms:
reducer; reducing agent; reductant
Classified under:
Hypernyms ("reducer" is a kind of...):
chemical agent (an agent that produces chemical reactions)
Hyponyms (each of the following is a kind of "reducer"):
hydrazine (a colorless fuming corrosive liquid; a powerful reducing agent; used chiefly in rocket fuels)
Derivation:
reduce (to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons)