TA
tantalum, Ta, atomic number
(noun) a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
Source: WordNet® 3.1
Etymology 1
Interjection
ta
(colloquial, chiefly, British, Irish, Australia and New Zealand) Thanks.
(Canada, baby talk) give (imperative)
Usage notes
The expression ta ta differs, meaning goodbye.
Etymology 2
Preposition
ta
Pronunciation spelling of to, representing the standard unstressed pronunciation before consonants.
Etymology 3
Altered from si in the 19th century to prevent having two notes of the musical scale starting with the same letter, to become ti. vowel changed to 'a' to signify a flattened note.
Noun
ta (uncountable)
(music) In solfège, the lowered seventh note of a major scale (the note B-flat in the fixed-do system): te.
Synonyms
• te
• B-flat
• li
Anagrams
• 'at, A-T, A/T, AT, at, at-
Proper noun
TA
Initialism of Territorial Army.
Noun
TA (countable and uncountable, plural TAs)
(countable) Initialism of transportation authority.
(countable) Initialism of teaching assistant.
(countable) Initialism of travel agent.
(countable) Initialism of target audience.
(uncountable) Initialism of transactional analysis.
(uncountable, insurance) Initialism of term assurance.
Verb
TA (third-person singular simple present TA's or TAs, present participle TA'ing or TAing, simple past and past participle TA'd or TAd)
(intransitive) To act as a teaching assistant.
Anagrams
• 'at, A-T, A/T, AT, at, at-
Source: Wiktionary