Focloir p

From South Dublin Astronomical Society

Painter, the s (= Pictor) (Const.) an Péintéir m3
Pallas s (Ast.) Pallas f4

Palomar Sky Atlas Atlas m1 Spéire Palomar
pan and tilt (of movement of telescope, etc.) cas is claon
panspermia hypothesis hipitéis f2 an phanspeirmeachais

parabola s parabóil f2
parabolic concave mirror scáthán m1 cuasach parabóileach
parabolic mirror scáthán m1 parabóileach

parabolic reflector frithchaiteoir m3 parabóileach
parabolic velocity treoluas m1 parabóileach
parallactic angle uillinn f2 shaobhdhiallasach

parallactic inequality neamhionannas m1 saobhdhiallasach
parallactic motion gluaisne f4 shaobhdhiallasach
parallax s saobhdhiallas m1

parallax-second s (= parsec) saobhdhiallas m1 soicind
parallel of altitude (= almucantar) líne f4 chomhthreomhar airde

parallel of declination líne f4 chomhthreomhar diallais
parhelion s (= mock sun, sundog) pairhéilean m1
parsec s (= parallax-second) parsoic m4

partial eclipse páirtéiclips m4, páirturú m4
particle s cáithnín m4
particle horizon léaslíne f4 cháithníní

Pasiphaë s (Sat.) Pasiphaë f4
passband s trébhanda m4
path of totality conair f2 an lándorchadais

Pavo s (= the Peacock) (Const.) Pavo m4
P Cygni stars réaltaí fpl P Cygni

Peacock, the s (= Pavo) (Const.) an Phéacóg f2
peculiar galaxy réaltra m4 corr

peculiar motion gluaisne f4 dhílis
peculiar star réalta f4 chorr
peculiar variable réalta f4 athraitheach chorr

Pegasus s (Const.) Peigeasas m1
pendulum clock clog m1 luascadánach
penumbra s leathscáil f2

periastron s pearastrón m1
perigee s peirigí m4
perihelion s peirihéilean m1

perihelion distance fad m1 peirihéileach
perihelion passage sroicheadh m peirihéilin
period s tréimhse f4

periodic time (= sidereal period) am m3 tréimhsiúil
period-luminosity relation coibhneas m1 peiriaid le lonrachas
period-spectrum relation coibhneas m1 peiriaid le speictream

Perseids spl (Met.Sh.) Peirsidí fpl
Perseus s (Const.) Peirséas m1

Perseus arm géag f2 Pheirséis
personal equation cothromóid f2 phearsanta
perturbation s corraíl f3

phase s (of Moon, planet) céim f2 (pl -eanna)
phase angle pasuillinn f2

Phekda s (Star) Phekda m4
Phobos s (Sat.) Phobos m4

Phoebe s (Sat.) Phoebe f4
Phoenix, the s (Const.) an Féinics m4

Phosphorus s (= Morning Star) Phosphorus m4
photoelectric cell cill f2 fhótaileictreach
photoelectric photometry fótaiméadracht f3 fhótaileictreach

photographic magnitude méid f2 fhótagrafach
photographic photometry fótaiméadracht f3 fhótagrafach
photographic star-atlas réaltatlas m1 fótagrafach

photography s fótagrafaíocht f3
photometer s fótaiméadar m1
photometric binary (= eclipsing binary, eclipsing variable) déréalta f4

fhótaiméadrach
photometry s fótaiméadracht f3
photon s fótón m1
photon counter áiritheoir m3 fótón

photosphere s fótaisféar m1
photovisual magnitude méid f2 fhótamhairc
physical double star (= binary star) réalta f4 dhúbailte fhisiceach

physical libration guagadh m fisiceach
Pictor s (= the Painter) (Const.) Pictor m4

pincushion distortion díchumadh m pioncásach
Pisces spl (= the Fishes) (Const.) Pisces mpl

Piscis Austrinus (= the Southern Fish) (Const.) Piscis Austrinus
Piscis Volans (= the Flying Fish, Volans) (Const.) Piscis Volans
pit s clais f2 (pl -eanna)

pitted a claisithe
plage s scead f2
Planck's law dlí m4 Planck

plane mirror scáthán m1 plánach
planet s pláinéad m1
planet s (= body, star) (in general) rinn m3

planetarium s pláinéadlann f2
planetary aberration iomrall m1 pláinéadach
planetary nebula réaltnéal m1 pláinéadach

planetary system córas m1 pláinéadach
planetesimal hypothesis hipitéis f2 mhionphláinéadach
planetoid s (= asteroid, minor planet) pláinéadóideach m1

plane of orbit plána m4 (na) fithise
plane of rotation plána m4 rothlaithe
planisphere s plánaisféar m1

plano-concave lens lionsa m4 plánachuasach
plano-convex lens lionsa m4 plánadhronnach
plasma s plasma m4

plasma cloud scamall m1 plasma
plasma oscillation ascalú m plasma
plasmasphere s plasmaisféar m1

Platonic year bliain f3 Phlatónach
Pleiades spl (= the Seven Sisters) (Clust.) an Phléadach f2, an tÉillín m4, an Streoillín m4, an Tréidín m4

Pleione s (Star) Pleione f4
Plough, the s (= the Big Dipper) an Camchéachta m4, an Céachta m4, an tSeisreach f2

plumbline s líne f4 ingir
Pluto s (Pl.) Plútón m1

Pogson's ratio cóimheas m3 Pogson
Pointers, the na Réaltaí fpl Treoracha
point source (= radio source, radio star) poncfhoinse f4

point source model samhaltán m1 na poncfhoinse
polar axis ais f2 pholach
polar caps caidhpeanna fpl polacha

polar circle ciorcal m1 polach
polar day lá m polach
polar diameter trastomhas m1 polach

polar distance fad m1 polach
Polaris s (= the Pole Star, the North Star) Polaris m4
polarization s polarú m (gs -raithe), polarúchán m1

polarization curve cuar m1 polarúcháin
polarization instrument ionstraim f2 pholarúcháin
polarization of light polarú m an tsolais

polar night oíche f4 pholach
polar sequence seicheamh m1 polach
pole s pol m1

Pole Star, the (= Polaris, the North Star) an Réalta f4 Thuaidh
Pollux s (Star) Pollux m4
Pons-Winnecke comet cóiméad m1 Pons-Winnecke

Poop, the s (= Puppis, the Stern) (Const.) Deireadh m1 na Loinge
population s (= population type, stellar population)

réaltchineál m1 (pl -acha)
Population I, II Réaltchineál I, II
population type (= population, stellar population) réaltchineál m1

(pl -acha)
pore s piochán m1
Porrima s (Star) Porrima f4

position s suíomh m1
positional astronomy réalteolaíocht f3 shuíomhach
position angle uillinn f2 suímh

position micrometer micriméadar m1 suímh
positive ocular súil-lionsa m4 deimhneach
positron s posatrón m1

postnova stage céim f2 iarnóva
potassium-argon method modh m3 potaisiam/argóin
potassium-calcium method modh m3 potaisiam/ cailciam

Poynting-Robertson effect iarmhairt f3 Poynting-Robertson
practical astronomy réalteolaíocht f3 phraiticiúil
Praesepe s (= the Beehive) (Clust.) Praesepe f4

precession s luainíocht f3
precession of the equinoxes luainíocht f3 na gcónocht
prenova stage céim f2 réamhnóva

pressure broadening brúleathnú m (gs -naithe)
prime focus fócas m1 príomha

prime meridian bun-fhadlíne f4
prime movement bunghluaisne f4
primordial a príomhordúil
primeval atom adamh m1 cianaosta

primeval nebula réaltnéal m1 cianaosta
prime vertical bun-ingear m1
prism s priosma m4

prismatic astrolabe astraláib f2 phriosmach
prism circle ciorcal m1 priosma
prism ocular súil-lionsa m4 priosma

probe s taiscéalaí m4
Procyon s (Star) Procyon m4
project v teilg (vn -ean, pp-the)

prominence s (= solar prominence) starraiceacht f3
proper motion dualghluaisne f4
proper motion parallax saobhdhiallas m1 dualghluaisne

proton s prótón m1
proton-proton reaction imoibriú m prótóin le prótón
protoplanet s prótapláinéad m1

protostar s prótairéalta f4
prototype s fréamhshamhail f3 (pl -mhlacha)

Proxima Centauri (Star) Proxima Centauri
Ptolemaic system córas m1 Tholamaeis
Ptolemy's rules (= triquetrum) rialacha fpl Tholamaeis

pulsar s pulsár m1
pulsating star réalta f4 bhíogach
pulse s bíog f2

pulse v bíog
Puppis s (= the Poop, the Stern) (Const.) Puppis f4

Purkinje effect iarmhairt f3 Purkinje
pyrheliometer s pirihéiliméadar m1
Pyxis s (= the Mariner's Compass) (Const.) Pyxis f4