Glossary entry (derived from question below)
English term or phrase:
1st (spelling, as adjective)
Spanish translation:
1er, 1.er
English term
1st,
Jan 19, 2010 23:30: Lydia De Jorge changed "Term asked" from "1st, 3rd, 21st..., spelling/grammar" to "1st," , "Field (write-in)" from "How to type \"primer,\" \"tercer\"..." to "How to type "
Jan 20, 2010 07:10: Miguel Armentia changed "Field (specific)" from "Education / Pedagogy" to "Linguistics"
Proposed translations
1er, 3er, 21er, 33er
1st = 1.º (1.er), 1.ª = primero (apocopado primer), fem. primera
3rd = 3.º (3.er), 3.ª = tercero (apocopado tercer), fem. tercera
21st = 21.º (21.er), 21.ª = vigesimoprimero o vigésimo primero (apocopado vigesimoprimer o vigésimo primer), fem. vigesimoprimera o vigésima primera
31st or 33rd is the same for spanish = 31.º (31.er), 31.ª, etc. = trigésimo primero (apocopado trigésimo primer), fem. trigésima primera, etc.
Vivo en el primer piso
Uruguay
ATA-certified English-Spanish translator
Native in: Spanish (Variant: Latin American) 
Works in: English to Spanish
1er, 2º, 3er
Hope this helps.
| Thank you! |
| agree |
Rodrigo Castillo H.
: Pero siempre con punto después del número.
15 mins
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De acuerdo. Gracias, Rodrigo.
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Your reference in Spanish
Native in: Spanish (Variant: Chilean) 
Works in: English to Spanish, Spanish to English
1er, 2do, 3er
It is a trustable web page on Spanish Grammar, so it should be helpful for you.
| Thank you for the reference! I have printed it for future reference. I couldn't choose your answer because it didn't show what to put for 21st and 33rd, too. |
United States
Mother&Daughter Translation Team-USA/MEX
Native in: Spanish , English
Works in: English to Spanish, Spanish to English
1er, 2do, 3er, 21....
| Thanks |
Argentina
GETTING YOUR MESSAGE ACROSS...IN SPANISH
Native in: Spanish (Variants: Argentine, US, Mexican, Chilean, Rioplatense, Latin American, Standard-Spain, Uruguayan)
Works in: English to Spanish, Spanish, Spanish to English
1.º, 1.er ("er voladita"), 2.º
Se puede consultar la entrada "abreviaturas" en el Diccionario Panhispánico de Dudas.
También lo confirma Martínez de Sousa en Ortografía y ortotipografía del español actual.
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Note added at 2 hrs (2010-01-20 00:21:14 GMT)
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http://buscon.rae.es/dpdI/
search "abreviaturas" See point 4, 5 and 6 d)
"En las abreviaturas que llevan letras voladas, el punto se escribe delante de estas: Sr.a, 3.er. "
| Thanks for the references and your comments. Very useful, and I'm keeping the references. |
Argentina
Thorough, fast and dependable
Native in: Spanish
Works in: English to Spanish, Spanish to English
1º.2º,3er, 4º pero : 11ª , 21ª (ava)
www.selvacentral.com/oldvisita2.html -
| Thanks. But I don't think 21ava is correct in this context. I understand that to only be used as a part or fraction. |
Teacher and translator since 1973
Native in: Spanish , Galician
Works in: English to Spanish, Galician to Spanish
1º, 3º,.......
El primero y el tercero = sustantivos.- El 1º y 3º
No encontrarás 1r ni 3r
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