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13,140 words — headwords with part of speech, pronunciation, and a plain-language definition.

ARN mensajero
noun, masculine
messenger RNA (information carrying RNA)
ARNm
noun, masculine
mRNA (messenger RNA)
ARNr
noun, masculine
rRNA
ARNt
noun, masculine
tRNA (transfer RNA)
ARYM
proper noun
acronym of Antigua República Yugoslava de Macedonia (= former Yugoslav Republic of Macedonia), former long form of North Macedonia: a country in Southeastern Europe on the Balkan Peninsula: FYROM
ASALE
proper noun
initialism of Asociación de Academias de la Lengua Española
ASMR
noun, feminine
ASMR (autonomous sensory meridian response)
AT
proper noun
OT (Old Testament)
ATE
proper noun
acronym of Asociación Trabajadores del Estado
ATE
proper noun
acronym of AntiTerrorismo ETA
ATS
noun, masculine/feminine
initialism of ayudante técnico sanitario (“assistant nurse”)
AUE
noun, feminine
initialism of asignación universal por embarazo, a kind of governmental allowance for pregnant women
AUH
noun, feminine
initialism of asignación universal por hijo, a kind of monthly allowance for low-income families with a child under 18
AVE
noun, masculine
high-speed rail, high-speed train
AVE
proper noun
a high-speed rail service in Spain operated by Renfe
AXJ
proper noun
initialism of Acción por la Justicia (Spanish political party)
Aarón
proper noun
a male given name from Latin [in turn from Ancient Greek, in turn from Hebrew], equivalent to English Aaron
Ababa
proper noun
a female given name
Abad
proper noun
a surname originating as an occupation
Abadiano
proper noun
a village and municipality of Biscay, Basque Country, Spain; a surname from Basque, a rare Hispanic surname
Abadán
proper noun
Abadan (a city in Iran)
Abadón
proper noun
Abaddon
Abanto
proper noun
a village and municipality of Zaragoza, Aragon, Spain; a surname
Abanto
proper noun
a municipality of Biscay, Basque Country, Spain, officially known as Abanto y Ciérvana
Abarca
proper noun
a surname
Abascal
proper noun
a surname
Abdiel
proper noun
a male given name from Hebrew
Abdías
proper noun
Obadiah, Abdias (biblical character); Obadiah (the book of the Bible); a male given name from Hebrew
Abdón
proper noun
Abdon; a male given name from Hebrew
Abeita
proper noun
a surname from Basque
Abel
proper noun
Abel; a male given name, equivalent to English Abel
Abelardo
proper noun
a male given name, equivalent to English Abelard
Abelito
proper noun
a diminutive of the male given name Abel
Abellano
proper noun
a surname
Abello
proper noun
a surname, mostly found in Colombia, the Philippines, and Catalonia
Abendaño
proper noun
a surname
Aberásturi
proper noun
a village in Vitoria-Gasteiz, Álava, Basque Country, Spain
Abeyta
proper noun
a surname from Basque
Abigaíl
proper noun
the wife of Nabal and later of David; a female given name from Hebrew, equivalent to English Abigail
Abimael
proper noun
a male given name from Hebrew
Abimelech
proper noun
Abimelech (Biblical character); a male given name from Hebrew
Abisinia
proper noun
Abyssinia (former name of Ethiopia: a country and former empire in East Africa; used as an exonym until the mid 20th century)
Abiyán
proper noun
Abidjan (a city in Ivory Coast)
Abjasia
proper noun
Abkhazia (a geographic region and de-facto independent but largely unrecognized country in the Caucasus on the border of Europe and Asia; considered part of Georgia's territory by the vast majority of the international community)
Abner
proper noun
Abner (cousin of Saul); a male given name from Hebrew
Abo
proper noun
Turku (a city in Finland)
Aboitiz
proper noun
a surname from Basque
Abonce
proper noun
a surname
Abraham
proper noun
Abraham; a male given name from Hebrew, of rare usage, equivalent to English Abraham
Abrahán
proper noun
a male given name, variant of Abraham, equivalent to English Abraham
Abram
proper noun
Abram (Biblical character)
Abrego
proper noun
a surname
Abreo
proper noun
a surname
Abrigo
proper noun
a surname
Abruzos
proper noun
Abruzzo (an administrative region in central Italy)
Absalón
proper noun
a male given name, equivalent to English Absalom
Abu Dabi
proper noun
Abu Dhabi (an emirate of the United Arab Emirates); Abu Dhabi (the capital city of the United Arab Emirates; the capital city of Abu Dhabi emirate, United Arab Emirates)
Abundio
proper noun
a male given name, equivalent to English Abundius
Abuya
proper noun
Abuja (the capital city of Nigeria)
Abúndez
proper noun
a surname originating as a patronymic