Phrase guide

T cell

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A lymphocyte, from the thymus, that can recognise specific antigens and can activate or deactivate other immune cells.

Definition source: English Wiktionary via Wiktextract

Topics: immunology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: T lymphocyte

Antonyms: none provided

Broader terms: lymphocyte, lymph cell

Narrower terms: helper T cell, helper cell, CD4 T cell, CD4 cell, killer T cell, killer cell, cytotoxic T cell, CD8 T cell, CD8 cell

History

Etymology

Clipping of thymus + cell.

Across languages

Translations

15 source translations are retained for this English entry.

  • Catalan: cèl·lula T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Catalan: limfòcit T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Chinese Mandarin: T細胞 /T细胞 (tìxìbāo) — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • German: T-Lymphozyt — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • German: T-Zelle — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Hungarian: T-sejt — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Hungarian: T-limfocita — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Hungarian: T-lymphocyta — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Northern Kurdish: xaneya T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Portuguese: célula T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Portuguese: linfócito T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Spanish: célula T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Spanish: linfocito T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Swahili: seli T — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells
  • Swedish: T-cell — lymphocyte that can recognise specific antigens and can activate or deactivate other immune cells