What is the meaning of а in Russian?

Read the Russian Dictionary meaning of а,part of speech of а, synonyms of а, antonyms of а, words derived from а, examples of а usage, alternate forms of а, word forms of а, history of а, pronounciation of а, abbreviation forms of а below:

Russian Dictionary Word Meaning of а

1.1 but, and (deviates from the preceding idea in some manner; introduces a new or different meaning, as opposed to но (no), which usually indicates contrarity)

Part of Speech - Russian Dictionary word а

а is a Conjunction. A word used to connect clauses or sentences

Russian Dictionary Examples of Usage of а

1.1 Сего́дня тепло́, а вчера́ бы́ло хо́лодно.
In English: It is warm today, but yesterday it was cold.,1.2 Э́то не я́блоко, а гру́ша.
In English: This is not an apple, but a pear.,1.3 А что?
In English: How come?,1.4 а то
In English: or else

Russian Dictionary Word Forms of а

1. a (romanization)

History of а

table Inherited from Proto-Slavic *a (“and, but”), from Proto-Balto-Slavic *ō, from Proto-Indo-European *h₁ōd (presumed to be the ablative of *éy, h₁e). Cognate with Lithuanian õ (“and, but”). Possible link with Lithuanian ar̃ (“question particle”). Compare Russian а (a, “and, but”), и (i, “and”) and да (da, “and, but”) with Lithuanian ar̃ (“if, whether”), ir̃ (“and”) and dár (“still, yet”).

Russian Dictionary Prnounciation of а

[a]