had been piping
Past perfect progressive conjugation of pipe.
See all conjugations of pipe

pipe

Popularity
500+ learners.
NOUN
(tube)-el tubo
Synonyms for pipe
siphon
el sifón
tube
el tubo
chimney
la chimenea
conduit
el conducto
cylinder
el cilindro
cylinder
el tanque
duct
el conducto
flue
el humero
gutter
la cuneta
hose
la manguera
pipeline
la tubería
spout
el pico
tubing
la tubería
tubing
el tubo
valve
la válvula
ventilator
el ventilador
TRANSITIVE VERB
(to convey through pipes)-llevar por tuberías
Synonyms for pipe
pipeline
transportar por un conducto
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