78 entries under noun topic. ×

1
cylinder(beam, tunnel, rod, pipe)
1
gargoyle
1
groove
1
hole(break, opening, beam, channel)
1
opening(fan, passage, vent, outlet)
1
orifice(opening, fan, passage, vent)
1
slit
1
sound
0
air-hole
0
axis(beam, tunnel, rod, chimney)
0
axle(beam, tunnel, rod, chimney)
0
barb(beam, tunnel, rod, chimney)
0
blow-hole
0
canaliculus
0
chime
0
column(beam, tunnel, rod, chimney)
0
conveyer(cylinder, tube)
0
diaphysis(beam, tunnel, rod, chimney)
0
downspout
0
fissure
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APASmart Define. (2015). duct thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/duct/thesaurus/synonyms
ChicagoSmart Define. 2015. "duct thesaurus" https://smartdefine.org/duct/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, duct thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/duct/thesaurus/synonyms>.
MLASmart Define. "duct thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/duct/thesaurus/synonyms>