Tu

name, noun, particle

name, noun, particle ·1 syllable ·Uncommon ·Advanced level

Definitions

Noun

1
Abbreviation of Tuesday. abbreviation, alt-of
2
Tuberculin Units, the measure of an antigen used to aid in the diagnosis of tuberculosis infection. countable, uncountable
3
Time Unit. countable, uncountable
4
Initialism of translation unit. abbreviation, alt-of, countable, initialism, uncountable
5
tritium unit: equal to 1 atom of tritium per 10¹⁸ hydrogen atoms, typically in water. countable, uncountable

Particle

1
Pronunciation spelling of to, representing African-American Vernacular English. alt-of, pronunciation-spelling

Proper Noun

1
A surname from Chinese.
2
Initialism of Taylor University. abbreviation, alt-of, initialism
3
Initialism of Temple University. abbreviation, alt-of, initialism
4
Initialism of Tooling University. abbreviation, alt-of, initialism
5
Initialism of Towson University. abbreviation, alt-of, initialism

Show 5 more definitions

6
Initialism of Trent University. abbreviation, alt-of, initialism
7
Initialism of Tribhuvan University. abbreviation, alt-of, initialism
8
Initialism of Tulane University. abbreviation, alt-of, initialism
9
Initialism of University of Tulsa. abbreviation, alt-of, initialism
10
Initialism of Touro University. abbreviation, alt-of, initialism

Example

"In Italian, lei is the formal equivalent of tu."

Etymology

Borrowed from Chinese.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.