Focloir d
From South Dublin Astronomical Society
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P| Q | R | S | T | U | V | W | X | Y | Z
Dictionary based on the Foclóir Réalteolaíochta, An Gúm ISBN 185791175X.
Online at http://www.acmhainn.ie/tearmai/realt.htm
dark matter damhna m4 dorcha
dark nebula réaltnéal m1 dorcha
Dawes limit teorainn f5 Dawes
day s lá m (gs lae)
daylight-saving time am m3 coigilte sholas an lae
daytime s am m3 lae
débris s smionagar m1
deceleration s luasmhoilliú m (gs -ithe)
declination s diallas m1
declination axis ais f2 (an) diallais
declination circle ciorcal m1 (an) diallais
declination compass (= declinometer) compás m1 diallais
declinometer s (= declination compass) méadar m1
diallais
defect s fabht m4 (pl-anna)
deferent s ciorcal m1 iompair
deflection s sraonadh m (gs -nta)
degenerate matter damhna m4 díchineálach
degenerate star réalta f4 dhíchineálach
degree s céim f2 (pl-eanna)
degree of arc céim f2 stua
Deimos s (Sat.) Deimos m4
Delphinus s (= the Dolphin) (Const.) Delphinus m4
Delta Cephei (Star) Delta Cephei
Demon Star, the (= Algol, the Winking Demon) an Deamhanréalta f4
Deneb s (Star) Deneb m4
Denebola s (Star) Denebola m4
density s dlús m1
density waves tonnta fpl dlúis
depression s ísleán m1
descending node nód m1 íslitheach
desert regions of Mars réigiúin mpl fásaigh Mharsa
detector s brathadóir m3
deuterium s deoitéiriam m4
deuteron s deoitéarón m1
dew cap drúchtchaidhp f2
diameter s trastomhas m1
diaphragm s spiara m4
dichotomy s déscaradh m (gs -rtha)
differential s difreálach m1
differential a difreálach
diffraction s díraonadh m (gs -nta), díraonachán m1
diffraction grating gríl f2 díraonta
diffraction pattern patrún m1 díraonacháin
diffraction rays gathanna mpl díraonta
diffraction spectrograph speictreagraf m1 díraonacháin
diffuse nebula réaltnéal m1 idirleata
diffuse reflection frithchaitheamh m1 réscaipthe
diffusion s (of light) réscaipeadh m (gs
-pthe)
diffusion s (of particles) idirleathadh m (gs
-eata)
dim dwarf abhac m1 lag
Dione s (Sat.) Dione f4
diopter s (= dioptre) dia-optar m1
dioptre s (= diopter) dia-optar m1
Diphda s (Star) Diphda m4
dip of the horizon claonas m1 na léaslíne
dipole aerial (= dipole antenna) aeróg f2 dhépholach
dipole antenna (= dipole aerial) aeróg f2 dhépholach
direct motion dírghluaisne f4
dirty snowball meall m1 sneachta (salach)
dirty snowball model samhail f3 an mhill sneachta
disc s diosca m4
discontinuous spectrum speictream m1 neamhleanúnach
discovery s fionnachtain f3
discrete radio-source radafhoinse f4 scoite
dispersion s spré m4
dispersion measure an tomhas m1 spréite
distance s fad m1
distance finding aimsiú m faid
distance modulus (= modulus of distance) modal m1 faid
distortion s díchumadh m (gs -mtha)
distribution s dáileadh m (gs -lte)
diurnal a laethúil a
diurnal aberration iomrall m1 laethúil
diurnal circle ciorcal m1 laethúil
diurnal libration guagadh m laethúil
diurnal motion gluaisne f4 laethúil
diurnal parallax saobhdhiallas m1 laethúil
diverge v eisréimnigh
divergence s eisréimneacht f3
divergent a eisréimneach
D-layer s D-chiseal m1
Dog Star s (= Sirius) Réalta f4 an Mhadra
Dolphin, the s (= Delphinus) (Const.) an Deilf f2
dome s cruinneachán m1
Donati's comet cóiméad m1 Donati
Doppler broadening leathnú m Doppler
Doppler effect iarmhairt f3 Doppler
Doppler-Fizeau principle prionsabal m1 Doppler-Fizeau
Doppler shift aistriú m Doppler
Dorado s (= the Swordfish) (Const.) an Colgán m1
30 Doradus (= Loop Nebula, Tarantula Nebula) 30 An Cholgáin
double cluster réaltbhraisle f4 dhúbailte
Double Cluster in Perseus, the (= the Sword-Handle) an Réaltbhraisle f4
Dhúbailte i bPeirséas
double galaxy réaltra m4 dúbailte
double star réalta f4 dhúbailte
Dove, the s (= Columba) (Const.) an Colm m1
Draco s (= the Dragon) (Const.) Draco m4
Draconids spl (Met.Sh.) Dracóinidí fpl
draconitic month (= nodical month) mí f dhraganach
Dragon, the s (= Draco) (Const.) an Dragan m1
Draper classification rangú m Draper
Dubhe s (Star) Dubhe m4
Dumb-Bell nebula, the réaltnéal m1 an Tromáin Lúith
Dunsink Observatory Réadlann f2 Dhún Since
dust s deannach m1
dust storm stoirm f2 dheannaigh
dust tail eireaball m1 deannaigh
dust-trail s rian m1 deannaigh
dwarf s (= dwarf star) abhac m1
dwarf Cepheid abhac-Cheifid f2
dwarf galaxy abhacréaltra m4
dwarf nova group grúpa m4 abhacnóvaí
dwarf star (= dwarf) abhacréalta f4
dynamical parallax saobhdhiallas m1 dinimiciúil