[かくだいかん,
kakudaikan] (n) expanding pipe; diffuser; expander; reducer[Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Reducer \Re*du"cer\ (-s?r), n.
1. One who, or that which, reduces.
[1913 Webster]
2. (Mach.)
(a) A contrivance for reducing the dimensions of one part
so as to fit it to another, as a reducing coupling, or
a device for holding a drilling a chuck.
(b) A reducing motion.
(c) A reducing valve.
(d) A hydraulic device for reducing pressure and hence
increasing movement, used to transmit the load from
the hydraulic support of the lower shackle to the
lever weighing apparatus in some kinds of heavy
testing machines.
[Webster 1913 Suppl.]
3. (Photog.) A reducing agent, either a developer or an agent
for reducing density.
[Webster 1913 Suppl.]
4. (Chem.) a reducing agent.
[PJC]
From WordNet (r) 3.0 (2006) [wn]:
reducer
n 1: 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 [syn: {reducing agent},
{reducer}, {reductant}]
2: pipefitting that joins two pipes of different diameter
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