khuẩn cẩu

Definition

1. Noun:
   • Micrococcus: A genus of spherical bacteria that are typically found in pairs, tetrads, or irregular clusters. They are common in soil, water, and on human skin.

Usage Examples

• Noun:
  • Khuẩn cầu vàng có thể gây nhiễm trùng da. (The golden micrococcus can cause skin infections.)
  • Khuẩn cầu thường được quan sát dưới kính hiển vi. (Micrococci are often observed under a microscope.)

Advanced Usage

• "khuẩn cầu vàng" (Staphylococcus aureus): While "khuẩn cầu" can refer to Micrococcus, in common medical usage, "khuẩn cầu vàng" is often used to refer to , a more clinically significant spherical bacterium.
  • Vết thương bị nhiễm khuẩn cầu vàng. (The wound is infected with Staphylococcus aureus.)

Variants and Related Words

• Vi khuẩn (n): bacteria. A general term for all bacteria.

  • Vi khuẩn có lợi và vi khuẩn có hại. (There are beneficial and harmful bacteria.)

• Cầu khuẩn (n): coccus. A general term for any spherical or round-shaped bacterium.

  • Liên cầu khuẩn là một loại cầu khuẩn. (Streptococcus is a type of coccus.)

Synonyms

• Micrococcus: The direct scientific translation.
• Coccus: A broader term for spherical bacteria.

Notes on Usage

• The term "khuẩn cầu" is a scientific/medical term and is not commonly used in everyday conversation. The more general term "vi khuẩn" (bacteria) is far more frequent.
• In many contexts, especially medical ones, "khuẩn cầu" is part of compound names for specific bacteria (e.g., "phế cầu khuẩn" for , "liên cầu khuẩn" for ).