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Afonydd a Llynnoedd / Rivers and Lakes - Lexicon

afon
river
llyn
lake
nant
stream, creek
pwll
pond
llednant
tributary
aber
estuary
lan
shore
delta
delta
cyfredol
current
gwlyptir
wetland
gorlifdir
floodplain
dalgylch
watershed
basn
basin
fewnfa
inlet
all-lif
outflow
cydlifiad
confluence
cronfa ddŵr
reservoir
cors
marsh, swamp
ceunant
gorge
rhaeadr
waterfall
rhaeadrau
rapids
bae
bay
ffiord
fjord
lagŵn
lagoon
deltaig
deltaic
silt
silt
aberol
estuarine
crwydro
meander
blaenddyfroedd
headwaters
glannau afonydd
riparian
dyfrhaen
aquifer
trai
ebb
llif
flow
gogoniant y bore
morning glory
snag
snag
pwll sblasio
splashpool
rill
rill
gwlyb
wet
hydroleg
hydrology
dyfrol
aquatic
carthu
dredge
argae
dam
llifogydd
flood
hydroelectrig
hydroelectric
morglawdd
levee
ychbw
oxbow
crychdonni
ripple
llifddor
sluice